List of special elections to the United States House of Representatives
Below is a list of special elections to the United States House of Representatives. Such elections are called by state governors to fill vacancies that occur when a member of the House of Representatives dies or resigns before the biennial general election. Winners of these elections serve the remainder of the term and are usually candidates in the next general election for their districts.
In the United States, these contests have been called "special elections" because they do not always occur on Election Day like regular congressional elections. Despite their name, however, special elections to the U.S. House happen quite often. Furthermore, one published study shows that special elections are explained by the same factors as regular congressional elections.[1]
List of special elections
This list is incomplete; you can help by expanding it.
| District | Con- gress |
Date[2] Links to special election articles |
Predecessor | Winner | Cause of vacancy |
|---|---|---|---|---|---|
| New Hampshire At-large | 1 | June 22, 1789[3] June 23, 1789[4] |
Benjamin West[5] (Pro-Admin) | Abiel Foster (Pro-Admin) | Declined to serve |
| Virginia 9 | 1 | July, 1790[3] December 7, 1790[6] |
Theodorick Bland (Anti-Admin) | William B. Giles (Anti-Admin) | Death |
| Connecticut At-large | 2 | December 16, 1790[3] March 4, 1791[6] |
Pierpont Edwards[7] (Pro-Admin) | Jeremiah Wadsworth (Pro-Admin) | Resigned |
| New York 1 | 2 | April 26–28, 1791[3] October 24, 1791[6] |
James Townsend[7] (Pro-Admin) | Thomas Tredwell (Anti-Admin) | Death |
| Connecticut At-large | 2 | September 19, 1791[3] March 4, 1791[6] |
Roger Sherman[5] (Pro-Admin) | Amasa Learned (Pro-Admin) | Resigned to become the United States Senator for Connecticut |
| Maryland 3 | 2 | October 26–29, 1791[3] February 6, 1792[6] |
William Pinkney (Pro-Admin) | John Francis Mercer (Anti-Admin) | Resigned |
| Georgia 1 | 2 | July 9, 1792[3] November 22, 1792[6] |
Anthony Wayne (Anti-Admin) | John Milledge (Anti-Admin) | Removed from his seat during a debate over his residency qualifications |
| Maryland 2 | 2 | January 7–10, 1793[3] January 30, 1793[6] |
Joshua Seney (Anti-Admin) | William Hindman (Pro-Admin) | Resigned to take up his new duties as a judge of the state court for the district of Baltimore |
| Connecticut At-large | 3 | April 8, 1793[3][6] | Jonathan Sturges[7] (Pro-Admin) | Uriah Tracy (Pro-Admin) | Resigned to become Associate Justice of the Connecticut Supreme Court |
| Connecticut At-large | 3 | September 16, 1793[3] | Benjamin Huntington[5] (Pro-Admin) | Jonathan Ingersoll (Pro-Admin) | Resigned |
| Connecticut At-large 2 seats |
3 | November 11, 1793[3] March 4, 1793[6] |
Stephen M. Mitchell[5] (Pro-Admin) Jonathan Ingersoll[5] (Pro-Admin) |
Joshua Coit (Pro-Admin) Zephaniah Swift (Pro-Admin) |
Mitchell resigned to become the United States Senator for Connecticut and Ingersoll declined to take his seat |
| Maryland 2 | 3 | May 5, 1794[3] November 11, 1794[6] |
John Francis Mercer (Anti-Admin) | Gabriel Duvall (Anti-Admin) | Resigned |
| South Carolina 5 | 3 | October 13–14, 1794 February 9, 1795 |
Alexander Gillon (A) | Robert Goodloe Harper (P) | Gillon died on October 6, 1794 |
| Maryland 3 | 3 | December 8, 1794 January 2, 1795 |
Uriah Forrest (P) | Benjamin Edwards (P) | Resigned |
| New Jersey At-large | 3 | January 11, 1795 January 29, 1795[6] |
Abraham Clark (Pro-Admin) | Aaron Kitchell (Pro-Admin) | Died September 15, 1794 |
| South Carolina 2 | 4 | January 19–20, 1795[3] March 4, 1795[6] |
John Barnwell[7] (F) | Wade Hampton (DR) | Declined to serve |
| Connecticut At-large | 4 | April 13, 1795[3] March 4, 1795[6] |
Jonathan Trumbull[7] (F) | Nathaniel Smith (F) | Elected to the U.S. Senate |
| North Carolina 4 | 4 | August 13–14, 1795[3] March 4, 1795[6] |
Alexander Mebane[5] (DR) | Absalom Tatom (DR) | Died July 5, 1795 |
| Maryland 2 | 4 | April 18, 1796[3] May 5, 1796[6] |
Gabriel Duvall (DR) | Richard Sprigg (DR) | Resigned March 28, 1796 after election to the Maryland Supreme Court. |
| Massachusetts 10 | 4 | September 12, 1796[3] December 7, 1796[6] |
Benjamin Goodhue (F) | Samuel Sewall (F) | Resigned to retire from public life |
| Connecticut At-large | 4 | September 19, 1796[3] December 5, 1796[6] |
James Hillhouse (F) | James Davenport (F) | Elected to the U.S. Senate May 12, 1796; resigned in the fall of 1796 |
| Maryland 3 | 4 | October 3, 1796[3] December 5, 1796[6] |
Jeremiah Crabb (F) | William Craik (F) | Resigned in 1796 after June 1 |
| Pennsylvania 5 | 4 | October 11, 1796[3] December 8, 1796[6] |
Daniel Hiester (DR) | George Ege (F) | Resigned and moved to Hagerstown, Maryland |
| Rhode Island At-large | 4 | November 15, 1796[3] December 19, 1796[6] |
Benjamin Bourne (F) | Elisha R. Potter (F) | Resigned in October 1796 |
| Massachusetts 1 | 4 | November 21, 1796[3] January 27, 1797[6] |
Theodore Sedgwick (F) | Thomson J. Skinner (DR) | Resigned in early June 1796 after election to the U.S. Senate |
| North Carolina 4 | 4 | November 23, 1796[3] November 28, 1796[6] |
Absalom Tatom (DR) | William Strudwick (F) | Resigned June 1, 1796 (the last day of the 1st Session of the 4th Congress) |
| Connecticut At-large | 4 | December 5, 1796[3] January 3, 1797[6] |
Uriah Tracy (F) | Samuel W. Dana (F) | Resigned October 13, 1796 after election to the U.S. Senate |
| Rhode Island At-large | 5 | November 15, 1796[3] March 4, 1797[6] |
Benjamin Bourne (F) | Elisha R. Potter (F) | Resigned in October 1796 |
| Connecticut At-large 2 seats |
5 | April 10, 1797[3] March 4, 1797[6] |
Uriah Tracy[7] (F) Zephaniah Swift[5] (F) |
John Allen (F) James Davenport (F) |
Mr. Tracy resigned October 13, 1796 after election to the U.S. Senate; Mr. Swift declined reelection, retiring from Congress March 3, 1797. |
| Vermont 2 | 5 | May 23, 1797[3] May 24, 1797[4] |
Daniel Buck[5] (F) | Lewis R. Morris (F) | Declined to serve |
| Massachusetts 11 | 5 | August 4, 1797[3] November 27, 1797[6] |
Theophilus Bradbury (F) | Bailey Bartlett (F) | Resigned July 24, 1797 when appointed Judge of the Massachusetts Supreme Judicial Court |
| New Hampshire at-large | 5 | August 28, 1797 December 15, 1797 |
Jeremiah Smith (F) | Peleg Sprague (F) | Smith was named United States Attorney for the District of New Hampshire |
| Rhode Island At-large | 5 | August 29, 1797[3] November 13, 1797[6] |
Elisha R. Potter (F) | Thomas Tillinghast (F) | Resigned in July 1797 |
| South Carolina 1 | 5 | September 4–5, 1797[3] November 23, 1797[6] |
William L. Smith (F) | Thomas Pinckney (F) | Resigned July 10, 1797 when appointed Minister to Portugal & Spain |
| Connecticut At-large | 5 | September 18, 1797[3] November 13, 1797[6] |
James Davenport (F) | William Edmond (F) | [Data unknown/missing. You can help!] |
| Pennsylvania 5 | 5 | October 10, 1797[3] December 1, 1797[6] |
George Ege (F) | Joseph Hiester (DR) | Resigned in October 1797 |
| New Hampshire At-large | 5 | October 30, 1797[3] December 15, 1797[6] |
Jeremiah Smith (F) | Peleg Sprague (F) | [Data unknown/missing. You can help!] |
| North Carolina 10 | 5 | August 2, 1798[3] December 10, 1798[6] |
Nathan Bryan (DR) | Richard D. Spaight (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 1 | 5 | October 9, 1798[3] December 3, 1798[6] |
John Swanwick (DR) | Robert Waln (F) | Died August 1, 1798 |
| Pennsylvania 4 | 5 | October 9, 1798[3] December 4, 1798[6] |
Samuel Sitgreaves (F) | Robert Brown (DR) | Resigned in 1798 |
| Connecticut At-large | 5 | October 22, 1798[3] December 3, 1798[6] |
Joshua Coit (F) | Jonathan Brace (F) | [Data unknown/missing. You can help!] |
| Virginia 9 | 5 | November 1, 1798[3] December 3, 1798[6] |
William B. Giles (DR) | Joseph Eggleston (DR) | [Data unknown/missing. You can help!] |
| Maryland 7 | 6 | November 29, 1798[3] March 4, 1799[6] |
Joshua Seney[7] (DR) | Joseph H. Nicholson (DR) | [Data unknown/missing. You can help!] |
| Connecticut At-large | 6 | September 16, 1799[3] March 4, 1799[6] |
John Allen[5] (F) | Elizur Goodrich (F) | [Data unknown/missing. You can help!] |
| New Hampshire At-large | 6 | November 18, 1799[3] December 2, 1799 |
Peleg Sprague[5] (F) | James Sheafe (F) | [Data unknown/missing. You can help!] |
| New York 1 | 6 | December 27–29, 1799[3] February 6, 1800[6] |
Jonathan N. Havens[5] (DR) | John Smith (DR) | [Data unknown/missing. You can help!] |
| Virginia 13 | 6 | June 7, 1800 November 26, 1800 |
John Marshall (F) | Littleton W. Tazewell (DR) | [Data unknown/missing. You can help!] |
| New Hampshire at-large | 6 | August 25, 1800 December 8, 1800 |
William Gordon (F) | Samuel Tenney (F) | Gordon resigned to accept appointment as New Hampshire Attorney General |
| Connecticut At-large | 6 | September 15, 1800[3] November 17, 1800[6] |
Jonathan Brace (F) | John C. Smith (F) | [Data unknown/missing. You can help!] |
| Massachusetts 10 | 6 | October 20, 1800[3] November 25, 1800[6] |
Samuel Sewall (F) | Nathan Read (F) | [Data unknown/missing. You can help!] |
| New Hampshire At-large | 6 | October 27, 1800[3] December 8, 1800[6] |
William Gordon (F) | Samuel Tenney (F) | [Data unknown/missing. You can help!] |
| Massachusetts 3 | 6 | December 15, 1800[3] February 2, 1801[6] |
Samuel Lyman (F) | Ebenezer Mattoon (F) | [Data unknown/missing. You can help!] |
| Massachusetts 4 | 6 | December 15, 1800[3][6] | Dwight Foster (F) | Levi Lincoln (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 8 | 6 | Elected January 15, 1801[3][6] Started February 3, 1801 |
Thomas Hartley (F) | John Stewart (DR) | Died December 21, 1800 |
| Georgia At-large | 7 | March 23, 1801[3] March 4, 1801[6] |
James Jones[7] (DR) | John Milledge (DR) | Jones died January 11, 1801 |
| Connecticut At-large | 7 | April 9, 1801[3] May 14, 1801[6] |
Elizur Goodrich[7] (F) | Calvin Goddard (F) | [Data unknown/missing. You can help!] |
| Massachusetts 14 | 7 | June 22, 1801[3] March 4, 1801[6] |
George Thatcher[5] (F) | Richard Cutts (DR) | [Data unknown/missing. You can help!] |
| North Carolina 8 | 7 | August 6–7, 1801[3] March 4, 1801[6] |
David Stone[7] (DR) | Charles Johnson (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 4 | 7 | June 22, 1801[3] August 24, 1801[6] |
Levi Lincoln[5] (DR) | Seth Hastings (F) | Lincoln was appointed United States Attorney General |
| Massachusetts 14 | 7 | June 22, 1801 December 7, 1801 |
George Thatcher (F) | Richard Cutts (DR) | Thatcher declined to serve in the 7th Congress |
| Connecticut At-large | 7 | September 21, 1801[3] March 4, 1801[6] |
William Edmond[5] (F) | Benjamin Tallmadge (F) | [Data unknown/missing. You can help!] |
| Massachusetts 12 | 7 | September 25, 1801 December 6, 1802 |
Silas Lee (F) | Samuel Thatcher (DR) | [Data unknown/missing. You can help!] |
| North Carolina 8 | 7 | August 6, 1801 December 7, 1801 |
David Stone (F) | Charles Johnson (DR) | Stone resigned before the start of the 7th Congress upon elected to the Senate |
| New York 5 | 7 | October 6–8, 1801[3] October 6, 1801[6] |
Thomas Tillotson[5] (DR) | Theodorus Bailey (DR) | [Data unknown/missing. You can help!] |
| New York 6 | 7 | October 6–8, 1801[3] October 6, 1801[6] |
John Bird[5] (F) | John P. Van Ness (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 4 | 7 | October 13, 1801[3] December 7, 1801[6] |
J.P.G. Muhlenberg[5] (DR) | Isaac Van Horne (DR) | Resigned March 4, 1801 after election to the U.S. Senate |
| Pennsylvania 12 | 7 | October 13, 1801[3] March 4, 1801[6] |
Albert Gallatin[5] (DR) | William Hoge (DR) | Resigned in May 1801 after being appointed U.S. Treasury Secretary |
| Tennessee At-large | 7 | October 29–30, 1801[3] March 4, 1801[6] |
William C.C. Claiborne[5] (DR) | William Dickson (DR) | [Data unknown/missing. You can help!] |
| Maryland 2 | 7 | March 2, 1802[3] March 24, 1802[6] |
Richard Sprigg (DR) | Walter Bowie (DR) | [Data unknown/missing. You can help!] |
| Georgia At-large | 7 | April 5, 1802[3] December 6, 1802[6] |
Benjamin Taliaferro (DR) | David Meriwether (DR) | [Data unknown/missing. You can help!] |
| South Carolina 4 | 7 | April 12–13, 1802[3] January 24, 1803[6] |
Thomas Sumter (DR) | Richard Winn (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 12 | 7 | September 25, 1801 - July 29, 1802[3] December 6, 1802[6] |
Silas Lee[5] (F) | Samuel Thatcher (F) | [Data unknown/missing. You can help!] |
| New Hampshire At-large | 7 | August 30, 1802[3] December 6, 1802[6] |
Joseph Peirce (F) | Samuel Hunt (F) | [Data unknown/missing. You can help!] |
| North Carolina 8 | 7 | October 15, 1802[3] December 7, 1802[6] |
Charles Johnson (DR) | Thomas Wynns (DR) | Johnson died July 23, 1802 |
| Georgia At-large | 7 | December 15, 1802[3] January 10, 1803[6] |
John Milledge[7] (DR) | Peter Early (DR) | [Data unknown/missing. You can help!] |
| New York 7 | 8 | April 26–28, 1803[3] April 28, 1803[6] |
John Cantine[7] (F) | Josiah Hasbrouck (DR) | [Data unknown/missing. You can help!] |
| Connecticut At-large | 8 | September 5, 1803[3] March 4, 1803[6] |
Elias Perkins[5] (F) | Simeon Baldwin (F) | [Data unknown/missing. You can help!] |
| New York 6 | 8 | September 14–16, 1803[3] October 17, 1803[6] |
Isaac Bloom[5] (DR) | Daniel C. Verplanck (DR) | [Data unknown/missing. You can help!] |
| Georgia At-large | 8 | October 3, 1803[3] March 4, 1803[6] |
John Milledge[7] (DR) | Joseph Bryan (DR) | Milledge was elected Governor of Georgia |
| New York 1 | 8 | April 24–26, 1804[3] November 5, 1804[6] |
John Smith (DR) | Samuel Riker (DR) | [Data unknown/missing. You can help!] |
| New York 2nd & 3 | 9 | September 11–13, 1804[3] March 4, 1805[6] |
Daniel D. Tompkins[7] (DR) | Gurdon S. Mumford (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 12 | 8 | September 17, 1804[3] November 5, 1804[6] |
Thomson J. Skinner (DR) | Simon Larned (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 10 | 8 | Elected November 2, 1804[3][6] Started November 27, 1804 |
William Hoge (DR) | John Hoge (DR) | Resigned October 15, 1804 |
| Virginia 13 | 8 | October, 1804[3] November 5, 1804[6] |
John Johns Trigg (DR) | Christopher H. Clark (DR) | [Data unknown/missing. You can help!] |
| Maryland 4 | 8 | October 1, 1804[3] November 6, 1804[6] |
Daniel Hiester (DR) | Roger Nelson (DR) | [Data unknown/missing. You can help!] |
| Virginia 5 | 8 | November 13, 1804[3] December 4, 1804[6] |
Andrew Moore (DR) | Alexander Wilson (DR) | [Data unknown/missing. You can help!] |
| New York 3 | 8 | January 2–4, 1805[3] February 14, 1805[6] |
Samuel L. Mitchill (DR) | George Clinton (DR) | [Data unknown/missing. You can help!] |
| New York 2nd & 3 | 9 | January 2–4, 1805[3] March 4, 1805 |
Samuel L. Mitchill[7] (DR) | George Clinton (DR) | [Data unknown/missing. You can help!] |
| South Carolina 8 | 9 | September 26–27, 1805[3] March 4, 1805[6] |
John B. Earle[5] (DR) | Elias Earle (DR) | [Data unknown/missing. You can help!] |
| North Carolina 5 | 9 | August 8, 1805[3] March 4, 1805[6] |
James Gillespie[7] (DR) | Thomas Kenan (DR) | [Data unknown/missing. You can help!] |
| Connecticut At-large 2 seats |
9 | September 16, 1805[3][6] | Calvin Goddard[5] (F) Roger Griswold[5] (F) |
Timothy Pitkin (F) Lewis B. Sturges (F) |
[Data unknown/missing. You can help!] |
| Delaware At-large | 9 | October 1, 1805[3] | James A. Bayard[5] (F) | James M. Broom (F) | Resigned after election to the U.S. Senate |
| Pennsylvania 4 | 9 | October 8, 1805[3] December 2, 1805[6] |
John A. Hanna[5] (DR) | Robert Whitehill (DR) | Died July 23, 1805 |
| Pennsylvania 11 | 9 | October 8, 1805[3] December 2, 1805[6] |
John B. Lucas[5] (DR) | Samuel Smith (DR) | Resigned |
| North Carolina 10 | 9 | January 23–24, 1806[3] February 24, 1806[6] |
Nathaniel Alexander[5] (DR) | Evan S. Alexander (DR) | [Data unknown/missing. You can help!] |
| Georgia At-large | 9 | September 1, 1806[3][6] | Joseph Bryan (DR) | Dennis Smelt (DR) | [Data unknown/missing. You can help!] |
| Connecticut At-large | 9 | September 15, 1806[3] December 1, 1806[6] |
John C. Smith (F) | Theodore Dwight (F) | [Data unknown/missing. You can help!] |
| Maryland 7 | 9 | September 27/October 4, 1806;[3] December 3, 1806[6] |
Joseph H. Nicholson (DR) | Edward Lloyd (DR) | [Data unknown/missing. You can help!] |
| Virginia 13 | 9 | November, 1806[3] December 1, 1806[6] |
Christopher H. Clark (DR) | William A. Burwell (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 1 | 9 | November 27, 1806[3] December 8, 1806[6] |
Michael Leib (DR) | John Porter (DR) | [Data unknown/missing. You can help!] |
| Georgia At-large | 9 | December 1, 1806[3] January 26, 1807[6] |
Thomas Spalding (DR) | William W. Bibb (DR) | [Data unknown/missing. You can help!] |
| South Carolina 6 | 10 | June 1–2, 1807[3] June 2, 1807[6] |
Levi Casey[7] (DR) | Joseph C. Calhoun (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 12 | 10 | July 13, 1807[3] September 16, 1807[6] |
Barnabas Bidwell[5] (DR) | Ezekiel Bacon (DR) | [Data unknown/missing. You can help!] |
| Delaware At-large | 10 | October 6, 1807[3] Started December 2, 1807 |
James M. Broom[5] (F) | Nicholas Van Dyke (F) | Resigned |
| North Carolina 7 | 10 | February 1, 1808[3] February 23, 1808[6] |
John Culpepper (F) | John Culpepper (F) | [Data unknown/missing. You can help!] |
| New Jersey At-large | 10 | March 8–9, 1808[3] March 8, 1808[6] |
Ezra Darby (DR) | Adam Boyd (DR) | [Data unknown/missing. You can help!] |
| New York 12 | 10 | April 26–28, 1808[3] June 3, 1808[6] |
David Thomas (DR) | Nathan Wilson (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 2 | 10 | May 4, 1808[3] May 23, 1808[6] |
Jacob Crowninshield (DR) | Joseph Story (DR) | [Data unknown/missing. You can help!] |
| Rhode Island At-large | 10 | August 30, 1808[3] November 11, 1808[6] |
Nehemiah Knight (DR) | Richard Jackson, Jr. (F) | [Data unknown/missing. You can help!] |
| Vermont 1 | 10 | September 6, 1808[3][6] | James Witherell (DR) | Samuel Shaw (DR) | [Data unknown/missing. You can help!] |
| Virginia 17 | 10 | September 8, 12, 26, 1808[3] November 7, 1808[6] |
John Claiborne (DR) | Thomas Gholson, Jr. (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 1 | 10 | October 11, 1808[3] November 16, 1808[6] |
Joseph Clay (DR) | Benjamin Say (DR) | Resigned after March 28, 1808 |
| Pennsylvania 1 | 11 | October 10, 1809[3][6] | Benjamin Say (DR) | Adam Seybert (DR) | Resigned in June 1809 |
| Virginia 21 | 11 | December, 1809[3] January 17, 1810[6] |
Wilson C. Nicholas (DR) | David S. Garland (DR) | [Data unknown/missing. You can help!] |
| New York 2 | 11 | April 24–26, 1810[3] December 4, 1810[6] |
William Denning[5] (DR) | Samuel L. Mitchill (DR) | [Data unknown/missing. You can help!] |
| Kentucky 5 | 11 | August 6, 1810[3] August 8, 1810[6] |
Benjamin Howa (DR) | William T. Barry (DR) | [Data unknown/missing. You can help!] |
| Connecticut At-large | 11 | September 17, 1810[3] October 11, 1810[6] |
Samuel W. Dana (F) | Ebenezer Huntington (F) | [Data unknown/missing. You can help!] |
| Maryland 4 | 11 | October 1, 1810[3] October 15, 1810[6] |
Roger Nelson (DR) | Samuel Ringgold (DR) | [Data unknown/missing. You can help!] |
| New Jersey At-large | 11 | October 30–31, 1810[3] October 31, 1810[6] |
James Cox (DR) | John A. Scudder (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 10 | 11 | October 8, 1810[3][6] | Jabez Upham (F) | Joseph Allen (F) | [Data unknown/missing. You can help!] |
| Massachusetts 11 | 11 | October 8, 1810[3][6] | William Stedman (F) | Abijah Bigelow (F) | [Data unknown/missing. You can help!] |
| Virginia 1 | 11 | November, 1810[3] December 21, 1810[6] |
John G. Jackson (DR) | William McKinley (DR) | [Data unknown/missing. You can help!] |
| Maryland 7 | 11 | November 15, 1810[3] November 29, 1810[6] |
John Brown (DR) | Robert Wright (DR) | [Data unknown/missing. You can help!] |
| South Carolina 1 | 11 | December 31, 1810[3][6] | Robert Marion (DR) | Langdon Cheves (DR) | [Data unknown/missing. You can help!] |
| Maryland 7 | 12 | November 15, 1810[3][8] March 4, 1811 |
John Brown[7] (DR) | Robert Wright (DR) | [Data unknown/missing. You can help!] |
| Maryland 6 | 12 | October 2, 1811[3] October 26, 1810[6] |
John Montgomery[5] (DR) | Stevenson Archer (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 4 | 12 | November 4, 1811[3][6] | Joseph B. Varnum[5] (DR) | William M. Richardson (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 17 | 12 | April 6, 1812[3][6] | Barzillai Gannett[5] (DR) | Francis Carr (DR) | [Data unknown/missing. You can help!] |
| Georgia At-large | 12 | October 5, 1812[3][6] | Howell Cobb (DR) | William Barnett (DR) | [Data unknown/missing. You can help!] |
| New York 6 | 12 | December 15–17, 1812[3] January 29, 1813[6] |
Robert L. Livingston (F) | Thomas P. Grosvenor (F) | [Data unknown/missing. You can help!] |
| North Carolina 3 | 12 | January 11, 1813[3] January 30, 1813[6] |
Thomas Blount (DR) | William Kennedy (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 13 | 13 | February 16, 1813[3] May 24, 1813[6] |
John Smilie[7] (DR) | Isaac Griffin (DR) | Died December 30, 1812 |
| Ohio 6 | 13 | April 20, 1813[3] April 20, 1813[6] |
John S. Edwards[7] (F) | Reasin Beall (DR) | [Data unknown/missing. You can help!] |
| New York 15 | 13 | April 27–29, 1813[3] May 26, 1813[6] |
William Dowse[7] (F) | John M. Bowers[9] (F) | [Data unknown/missing. You can help!] |
| Kentucky 8 | 13 | April 29, 1813[3] April 20, 1813[6] |
John Simpson[7] (DR) | Stephen Ormsby (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 15 | 13 | Elected May 4, 1813[3][6] Started May 28, 1813 |
Abner Lacock[7] (DR) | Thomas Wilson (DR) | Resigned March 3, 1813 due to election to the U.S. Senate |
| Ohio 3 | 13 | May 10, 1813[3] May 4, 1813[6] |
Duncan McArthur[5] (DR) | William Creighton (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 5 | 13 | May 11, 1813[3][6] | Robert Whitehill[5] (DR) | John Rea (DR) | Died April 8, 1813 |
| Pennsylvania 3 | 13 | Elected October 12, 1813[3][6] Started December 6, 1813 |
John Gloninger (F) | Edward Crouch (DR) | Resigned August 2, 1813 |
| Pennsylvania 7 | 13 | Elected October 12, 1813[3][6] Started December 6, 1813 |
John M. Hyneman (DR) | Daniel Udree (DR) | Resigned August 2, 1813 |
| Georgia At-large | 13 | December 13, 1813[3][6] | William W. Bibb (DR) | Alfred Cuthbert (DR) | [Data unknown/missing. You can help!] |
| New York 2 | 13 | December 28–30, 1813[3] January 22, 1814[6] |
Egbert Benson (F) | William Irving (DR) | [Data unknown/missing. You can help!] |
| Kentucky 2 | 13 | February 28, 1814[3] March 29, 1814[6] |
Henry Clay (DR) | Joseph H. Hawkins (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 4 | 13 | May 23, 1814[3] September 22, 1814[6] |
William M. Richardson (DR) | Samuel Dana (DR) | [Data unknown/missing. You can help!] |
| Virginia 11 | 13 | June, 1814[3] September 19, 1814[6] |
John Dawson (DR) | Philip P. Barbour (DR) | [Data unknown/missing. You can help!] |
| Massachusetts 12 | 13 | August 4, 1814[3] September 26, 1814[6] |
Daniel Dewey (F) | John W. Hulbert (F) | [Data unknown/missing. You can help!] |
| New Hampshire At-large | 13 | August 29, 1814[3] | Samuel Smith (F) | vacant [10] | [Data unknown/missing. You can help!] |
| Tennessee 5 | 13 | September 15–16, 1814[3] September 16, 1814[6] |
Felix Grundy (DR) | Newton Cannon (DR) | [Data unknown/missing. You can help!] |
| New Jersey Southern Dist. | 13 | October 10–11, 1814[3] | Jacob Hufty [11] (F) | Thomas Bines (DR) | Died May 20, 1814 |
| Ohio 6 | 13 | October 11, 1814[3][6] | Reasin Beall (DR) | David Clendenin (DR) | Resigned June 7, 1814 |
| Pennsylvania 2 | 13 | Elected October 11, 1814[3][6] Started November 29, 1814 |
Jonathan Roberts (DR) | Samuel Henderson (F) | Resigned February 24, 1814 after election to the U.S. Senate |
| Pennsylvania 3 | 13 | Elected October 12, 1814[3][6] Started December 12, 1814 |
James Whitehill (DR) | Amos Slaymaker (F) | Resigned September 1, 1814 to engage in mercantile pursuits |
| New York 6 | 14 | April, 1815 | Jonathan Fisk (DR) | James W. Wilkin (DR) | Fisk resigned to accept appointment as United States Attorney for the Southern District of New York |
| New York 12 | 14 | April, 1815 | Benjamin Pond (DR) | Asa Adgate (DR) | Benjamin Pond died October 14, 1814 |
| Virginia 15 | 14 | October, 1815 | Matthew Clay (DR) | John Kerr (DR) | Clay died on May 27, 1815 |
| Pennsylvania 1 | 14 | Elected October 10, 1815 Started December 6, 1815 |
Jonathan Williams (DR) | John Sergeant (F) | Williams died on May 16, 1815 |
| Pennsylvania 3 | 14 | Elected October 10, 1815 Started December 4, 1815 |
Amos Ellmaker (DR) | James M. Wallace (DR) | Resigned July 3, 1815, before qualifying, after appointment as President Judge of the 12th Judicial District |
| Pennsylvania 9 | 14 | Elected October 10, 1815 Started December 11, 1815 |
David Bard (DR) | Thomas Burnside (DR) | Bard died on March 12, 1815 |
| Tennessee 2 | 14 | December 7–8, 1815 January 8, 1816 |
John Sevier (DR) | William G. Blount (DR) | Sevier died on September 24, 1815 |
| North Carolina 6 | 14 | January 22, 1816 | Nathaniel Macon (DR) | Weldon N. Edwards (DR) | Macon resigned after being elected to the Senate |
| Maryland 5 | 14 | January 27, 1816 February 4, 1816 |
Nicholas R. Moore (DR) | Samuel Smith (DR) | [Data unknown/missing. You can help!] |
| New York 20 | 14 | September, 1816 December 3, 1816 |
Enos T. Throop (DR) | Daniel Avery (DR) | Throop resigned after losing re-election campaign |
| Maryland 5 | 14 | September 3, 1816 December 2, 1816 |
William Pinkney (DR) | Peter Little (DR) | Pinkney was named Minister to Russia |
| Pennsylvania 9 | 14 | Elected October 8, 1816 Started December 3, 1816 |
Thomas Burnside (DR) | William P. Maclay (DR) | Resigned in April 1816 to accept judicial appointment |
| Virginia 18 | 14 | October 10–28, 1816 | Thomas Gholson, Jr. (DR) | Thomas M. Nelson (DR) | Ghoulson died on July 4, 1816 |
| Kentucky 1 | 14 | December 2, 1816 | James Clark (DR) | Thomas Fletcher (DR) | Clark was appointed as a circuit court judge |
| Maryland 3 | 14 | December 2, 1816 | Alexander C. Hanson (F) | George Peter (F) | Hanson resigned after being elected to the Senate |
| Massachusetts 11 | 14 | December 2, 1816 | Elijah Brigham (F) | Benjamin Adams (F) | [Data unknown/missing. You can help!] |
| North Carolina 8 | 14 | December 2, 1816 | Richard Stanford (DR) | Samuel Dickens (DR) | Stanford died on April 16, 1816 |
| Ohio 1 | 14 | October 8, 1816 | John McLean (DR) | William Henry Harrison (DR) | Resigned in April, 1816 after being elected to the Supreme Court of Ohio |
| Georgia At-large | 14 | December, 1816 January 23, 1817 |
Alfred Cuthbert (DR) | Zadock Cook (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 10 | 15 | Elected October 14, 1817 Started December 1, 1817 |
David Scott (DR) | John Murray (DR) | Scott resigned to accept a judicial appointment |
| Connecticut At-large 2 seats |
15 | December 1, 1817 | Sylvanus Blackus (F) Charles Dennison (F) |
Ebenezer Huntington (F) Nathaniel Terry (F) |
Blackus died February 15, 1817 |
| New York 4 | 15 | December 1, 1817 | Henry B. Lee (DR) | James Tallmadge, Jr. (DR) | Representative-elect Lee died on February 18, 1817 |
| North Carolina 7 | 15 | January 1, 1818 January 26, 1818 |
Alexander McMillan (F) | James Stewart (F) | Representative-elect McMillan died some time before Congress assembled |
| South Carolina 6 | 15 | February 9, 1818 | John C. Calhoun (DR) | Eldred Simkins (DR) | Calhoun resigned upon being appointed Secretary of War |
| Pennsylvania 6 | 15 | March 3, 1818 March 24, 1818 |
John Ross (DR) | Thomas J. Rogers (DR) | Resigned February 24, 1818 to become President Judge of the 7th Judicial District of Pennsylvania |
| Pennsylvania 6 | 15 | Elected October 13, 1818 Started November 16, 1818 |
Samuel D. Ingham (DR) | Samuel Moore (DR) | Resigned July 6, 1818 |
| Massachusetts 20 | 15 | November 4, 1818 | Albion K. Parris (DR) | Enoch Lincoln (DR) | [Data unknown/missing. You can help!] |
| North Carolina 11 | 15 | November 7, 1818 | Daniel M. Forney (DR) | William Davidson (F) | [Data unknown/missing. You can help!] |
| Connecticut At-large | 15 | November 16, 1818 | Uriel Holmes (F) | Sylvester Gilbert (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 4 | 15 | November 16, 1818 | Jacob Spangler (DR) | Jacob Hostetter (DR) | Resigned April 20, 1818 to become Surveyor General of Pennsylvania |
| Louisiana At-large | 15 | November 16, 1818 | Thomas B. Robertson (DR) | Thomas Butler (DR) | [Data unknown/missing. You can help!] |
| Virginia 19 | 15 | November 16, 1818 | Peterson Goodwyn (DR) | John Pegram (DR) | Goodwyn died on February 21, 1818. |
| Georgia At-large | 15 | January 4, 1819 | John Forsyth (DR) | Robert R. Reid (DR) | Forsyth resigned upon being elected to the Senate |
| Georgia At-large | 16 | January 4, 1819 | John Forsyth (DR) | Robert R. Reid (DR) | Forsyth resigned upon being elected to the Senate |
| New Jersey At-Large | 16 | February 1–2, 1820 | John Condit (DR) | Charles Kinsey (DR) | Resigned November 4, 1819 after being appointed Assistant Collector of the Port of New York |
| Massachusetts 13 | 16 | August 21, 1820 | Edward Dowse (DR) | William Eustis (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 5 | 16 | October 10, 1820 November 13, 1820 |
David Fullerton (DR) | Thomas G. McCullough (F) | Resigned May 15, 1820 |
| Maine 1 | 16 | November 7, 1820 December 11, 1820 |
John Holmes (DR) | Joseph Dane (F) | Holmes was elected as one of the first two Senators from Maine |
| Virginia 1 | 16 | November 13, 1820 | James Pindall (F) | Edward B. Jackson (DR) | [Data unknown/missing. You can help!] |
| Virginia 10 | 16 | November 13, 1820 | George F. Strother (DR) | Thomas L. Moore (DR) | [Data unknown/missing. You can help!] |
| Virginia 20 | 16 | November 13, 1820 | James Johnson (DR) | John C. Gray (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 7 | 16 | Elected December 26, 1820 Started January 8, 1821 |
Joseph Hiester (DR) | Daniel Udree (DR) | Resigned in December 1820 after elected Governor of Pennsylvania |
| North Carolina 4 | 16 | February 7, 1821 | Jesse Slocumb (DR) | William S. Blackledge (DR) | Slocumb died on December 20, 1820 |
| New Jersey At-Large | 17 | October 8–9, 1821 | John Linn (DR) | Lewis Condict (DR) | Died January 5, 1821 |
| Ohio 4 | 17 | October 9, 1821 | John C. Wright (DR) | David Chambers (DR) | Resigned March 3, 1821 |
| Pennsylvania 5 | 17 | October 9, 1821 December 12, 1821 |
James Duncan (DR) | John Findlay (DR) | Duncan resigned in April, 1821 |
| Pennsylvania 10 | 17 | October 9, 1821 December 12, 1821 |
William Cox Ellis (F) | Thomas Murray, Jr. (DR) | Resigned July 20, 1821 |
| New York 6 | 17 | November 6–8, 1821 | Selah Tuthill (DR) | Charles Borland, Jr. | Tuthill died September 7, 1821 |
| South Carolina 9 | 17 | December 3, 1821 | John S. Richards (DR) | James Blair (DR) | Representative-elect Richards declined to serve |
| Kentucky 8 | 17 | January 2, 1822 | Wingfield Bullock (DR) | James D. Breckinridge (DR) | Bullock died on October 13, 1821 |
| New York 9 | 17 | February 25–27, 1822 | Solomon Van Rensselaer (DR) | Stephen Van Rensselaer (F) | [Data unknown/missing. You can help!] |
| Delaware At-large | 17 | October 1, 1822 December 2, 1822 |
Caesar A. Rodney (DR) | Daniel Rodney (F) | Resigned January 24, 1822 after election to the U.S. Senate |
| Pennsylvania 1 | 17 | October 1, 1822 December 2, 1822 |
William Milnor (F) | Thomas Forrest (F) | Milnor resigned May 8, 1822 |
| Pennsylvania 6 | 17 | October 1, 1822 December 2, 1822 |
Samuel Moore (DR) | Samuel D. Ingham (DR) | Resigned May 20, 1822 |
| Pennsylvania 14 | 17 | Elected October 1, 1822 Started December 3, 1822 |
Henry Baldwin (DR) | Walter Forward (DR) | Died May 8, 1822 |
| Indiana At-large | 17 | December 2, 1822 | William Hendricks (DR) | Jonathan Jennings (DR) | Hendricks resigned to run for Governor of Indiana |
| Maine 2 | 17 | December 2, 1822 | Ezekiel Whitman (F) | Mark Harris (DR) | [Data unknown/missing. You can help!] |
| Pennsylvania 7 | 17 | December 10, 1822 December 23, 1822 |
Ludwig Worman (F) | Daniel Udree (F) | Worman died October 17, 1822 |
| South Carolina 9 | 17 | December 11, 1822 | James Blair (DR) | John Carter (DR) | [Data unknown/missing. You can help!] |
| South Carolina 2 | 17 | January 6, 1823 | William Lowndes (DR) | James Hamilton, Jr. (DR) | [Data unknown/missing. You can help!] |
| Maryland 5 | 17 | January 8, 1823 | Samuel Smith (DR) | Isaac McKim (DR) | Smith resigned his seat December 22, 1822 after being elected to the Senate |
| Maryland 5 | 18 | January 8, 1823 | Samuel Smith (DR) | Isaac McKim (Jackson Republican) | Smith resigned his seat December 22, 1822 after being elected to the Senate |
| New York 28 | 18 | December 1, 1823 | William B. Rochester (Adams Republican) | William Woods (Adams Republican) | [Data unknown/missing. You can help!] |
| Virginia 13 | 18 | April 24, 1824 | William Lee Ball (Crawford Republican) | John Taliaferro (Crawford Republican) | Ball died on February 29, 1824 |
| Pennsylvania 8 | 18 | October 12, 1824 December 4, 1824 |
Thomas J. Rogers (Jackson Republican) | George Wolf (Jackson Republican) | Resigned April 20, 1824 |
| Pennsylvania 13 | 18 | October 12, 1824 December 4, 1824 |
John Tod (Jackson Republican) | Alexander Thomson (Jackson Republican) | Resigned due to becoming the Presiding Judge of the Court of Common Pleas of Dauphin County |
| Massachusetts 10 | 18 | December 13, 1824 | None[12] | John Bailey (DR) | [Data unknown/missing. You can help!] |
| Vermont at-large | 18 | December 13, 1824[6] | Charles Rich (DR) | Henry Olin (DR) | Rich died on October 15, 1824 |
| Indiana 1 | 18 | December 23, 1824[6] | William Prince (Jackson Republican) | Jacob Call (Jackson Republican) | [Data unknown/missing. You can help!] |
| North Carolina 2 | 18 | January 6, 1825 January 19, 1825 |
Hutchins Gordon Burton (Crawford Republican) | George Outlaw (Crawford Republican) | [Data unknown/missing. You can help!] |
| Georgia At-large | 18 | February 7, 1825 | Thomas W. Cobb (Crawford Republican) | Richard Henry Wilde (Crawford Republican) | [Data unknown/missing. You can help!] |
| Pennsylvania 16 | 19 | October 11, 1825 December 5, 1825 |
James Allison, Jr. (J) | Robert Orr, Jr. (J) | Resigned |
| Pennsylvania 18 | 19 | March 14, 1826 April 3, 1826 |
Patrick Farrelly | Thomas H. Sill (A) | Died January 12, 1826 |
| Maine 5 | 19 | September 11, 1826 | Enoch Lincoln (DR) | James W. Ripley (J) | [Data unknown/missing. You can help!] |
| Ohio 10 | 19 | October 10, 1826 | David Jennings (A) | Thomas Shannon (party unknown) | Resigned May 25, 1826 |
| Pennsylvania 2 | 19 | October 10, 1826 December 4, 1826 |
Joseph Hemphill (J) | Thomas Kittera (A) | Resigned May 1, 1826 |
| Pennsylvania 7 | 19 | October 10, 1826 December 4, 1826 |
Henry Wilson (J) | Jacob Krebs (J) | Died August 14, 1826 |
| Pennsylvania 13 | 19 | October 10, 1826 December 4, 1826 |
Alexander Thomson (J) | Chauncey Forward (J) | Resigned May 1, 1826 |
| Maine 1 | 20 | September 10, 1827 | William Burleigh (NR) | Rufus McIntire (J) | [Data unknown/missing. You can help!] |
| Georgia 1 | 20 | October 1, 1827 | Edward Fenwick Tattnall[13] (J) | George Rockingham Gilmer (J) | [Data unknown/missing. You can help!] |
| Georgia 2 | 20 | October 1, 1827 | John Forsyth (J) | Richard Henry Wilde (J) | [Data unknown/missing. You can help!] |
| Delaware At-large | 20 | October 2, 1827 | Louis McLane (F) | Kensey Johns, Jr. (F) | Resigned after election to the U.S. Senate |
| Ohio 8 | 20 | October 9, 1827 | William Wilson (A) | William Stanbery (J) | Died June 6, 1827 |
| Pennsylvania 2 | 20 | October 9, 1827 December 3, 1827 |
None[14] | John Sergeant (A) | The vote in the previous general election was tied. |
| New Jersey At-Large | 20 | November 3–4, 1828 | George Holcombe (A) | James F. Randolph (A) | Died January 4, 1828 |
| New Jersey At-Large | 20 | November 3–4, 1828 | Hedge Thompson (A) | Thomas Sinnickson (A) | Died July 23, 1828 |
| Ohio 6 | 20 | December 2, 1828 | William Creighton (A) | Francis Swaine Muhlenberg (A) | Resigned |
| Maine 4 | 21 | July 20, 1829 | Peleg Sprague (NR) | George Evans (NR) | [Data unknown/missing. You can help!] |
| Pennsylvania 8 Two seats |
21 | October 13, 1829 December 7, 1829 |
Samuel D. Ingham (J) George Wolf (J) |
Peter Ihrie, Jr. (J) Samuel A. Smith (J) |
Ingham became U.S. Treasury Secretary on March 6, 1829 Wolf was elected Governor of Pennsylvania |
| Pennsylvania 16 | 21 | December 15, 1829 December 30, 1829 |
William Wilkins (J) | Harmar Denny (AM) | Resigned |
| Ohio 11 | 21 | October 11, 1830 | John M. Goodenow (J) | Humphrey H. Leavitt (J) | Resigned April 9, 1830; chosen to be a Judge of the Supreme Court of Ohio |
| Maine 5 | 21 | December 6, 1830 | James W. Ripley (J) | Cornelius Holland (J) | [Data unknown/missing. You can help!] |
| Vermont 2 | 22 | November 1, 1831 | Rollin Carolas Mallary (NR) | William Slade (Anti-Masonic) | [Data unknown/missing. You can help!] |
| Pennsylvania 11 | 22 | November 22, 1831 December 5, 1831 |
William Ramsey (J) | Robert McCoy (J) | Died September 29, 1831 |
| Vermont 1 | 22 | January 1, 1833 | Jonathan Hunt (NR) | Hiland Hall (NR) | [Data unknown/missing. You can help!] |
| Pennsylvania 1 | 23 | October 8, 1833 December 2, 1833 |
Joel B. Sutherland (J) | Joel B. Sutherland (J)[15] | Resigned March 5, 1833 to accept the position of Associate Judge of the Court of Common Pleas of Philadelphia |
| Ohio 19 | 23 | October 14, 1834 | Humphrey H. Leavitt (D) | Daniel Kilgore (D) | Resigned July 10, 1834 after appointed as a Judge of the United States District Court for the Southern District of Ohio |
| Ohio 1 | 23 | November 8, 1834 | Robert T. Lytle (D) | Robert T. Lytle (D) | Resigned March 10, 1834 |
| Vermont 5 | 23 | November 10, 1834 | Benjamin F. Deming (Anti-Masonic) | Henry Fisk Janes (Anti-Masonic) | [Data unknown/missing. You can help!] |
| Pennsylvania 24 | 24 | October 11, 1836 December 5, 1836 |
John Banks (AM) | John J. Pearson (NR) | Resigned April 2, 1836 |
| Pennsylvania 13 | 24 | November 4, 1836 December 5, 1836 |
Jesse Miller (J) | James Black (J) | Resigned October 30, 1836 |
| New Jersey At-Large | 24 | November 15–16, 1836 | Philemon Dickerson (J) | William Chetwood (W) | Resigned November 3, 1836 after being appointed Governor of New Jersey |
| Pennsylvania 3 | 25 | June 29, 1837 September 4, 1837 |
Francis J. Harper (D) | Charles Naylor (W) | Harper died on March 18, 1837 |
| Ohio 17 | 25 | November 30, 1837 | Andrew W. Loomis (W) | Charles D. Coffin (W) | Resigned October 20, 1837 |
| Pennsylvania 9 | 25 | March 8, 1838 March 17, 1838 |
Henry A. P. Muhlenberg (D) | George M. Keim (D) | Resigned February 9, 1838, the day after being appointed Minister to Austria |
| Maine 3 | 25 | April 28, 1838 | Jonathan Cilley (D) | Edward Robinson (W) | [Data unknown/missing. You can help!] |
| Maine 5 | 25 | May 29, 1838 | Timothy J. Carter (D) | Virgil D. Parris (D) | [Data unknown/missing. You can help!] |
| Ohio 16 | 25 | October 9, 1838 | Elisha Whittlesey (W) | Joshua Reed Giddings (W) | Resigned July 9, 1838 |
| Ohio 19 | 25 | November 5, 1838 | Daniel Kilgore (D) | Henry Swearingen (D) | Resigned July 4, 1838 |
| Pennsylvania 14 | 26 | November 20, 1839 December 2, 1839 |
William W. Potter (D) | George McCulloch (D) | Potter died on October 28, 1839 |
| Ohio 4 | 26 | October 13, 1840 | Thomas Corwin (W) | Jeremiah Morrow (W) | Resigned May 30, 1840 to run for Governor of Ohio |
| Pennsylvania 22 | 26 | October 13, 1840 December 10, 1840 |
Richard Biddle (AM) | Henry M. Brackenridge (W) | Resigned May 13, 1840 |
| Pennsylvania 13 | 26 | November 20, 1840 December 7, 1840 |
William S. Ramsey (D) | Charles McClure (D) | Ramsey died October 17, 1840 |
| Pennsylvania 13 | 27 | May 4, 1841 May 31, 1841 |
William S. Ramsey (D) | Amos Gustine (D) | Ramsey died October 17, 1840 |
| Pennsylvania 20 | 27 | May 25, 1841 | Enos Hook (D) | Henry W. Beeson (D) | Resigned April 18, 1841 |
| Maine 4 | 27 | May 31, 1841 | George Evans (W) | David Bronson (W) | [Data unknown/missing. You can help!] |
| Pennsylvania 18 | 27 | Elected June 8, 1841 Started June 28, 1841 |
Charles Ogle (W) | Henry Black (W) | Died May 10, 1841 |
| Pennsylvania 2 | 27 | Elected October 12, 1841 Started December 6, 1841 |
John Sergeant (W) | Joseph Reed Ingersoll (W) | Resigned September 15, 1841 |
| Pennsylvania 18 | 27 | Elected December 21, 1841 Started January 3, 1942 |
Henry Black (W) | James M. Russell (W) | Died November 28, 1841 |
| Pennsylvania 17 | 27 | Elected March 1, 1842 Started March 18, 1842 |
Davis Dimock, Jr. (D) | Almon Heath Read (D) | Died January 13, 1842 |
| Ohio 16 | 27 | April 26, 1842 | Joshua Reed Giddings (W) | Joshua Reed Giddings (W) | Resigned March 22, 1842 in response to being censured for his work against slavery |
| Pennsylvania 21 | 27 | Elected May 20, 1842 Started May 30, 1842 |
Joseph Lawrence (W) | Thomas M. T. McKennan (W) | Died April 17, 1842 |
| Pennsylvania 21 | 28 | Elected March 15, 1844 Started March 26, 1844 |
William Wilkins (D) | Cornelius Darragh (W) | Resigned February 14, 1844; appointed U.S. Secretary of War |
| Pennsylvania 13 | 28 | Elected April 9, 1844 Started April 23, 1844 |
Henry Frick (W) | James Pollock (W) | Died March 1, 1844 |
| Ohio 10 | 28 | October 8, 1844 | Heman A. Moore (D) | Alfred P. Stone (D) | Died April 3, 1844 |
| Ohio 21 | 28 | October 8, 1844 | Henry R. Brinkerhoff (D) | Edward S. Hamlin (D) | Died April 30, 1844 |
| Pennsylvania 12 | 28 | Elected October 8, 1844 Started December 2, 1844 |
Almon Heath Read (D) | George Fuller (D) | Died June 3, 1844 |
| New Jersey 2 | 29 | October 7–8, 1845 | Samuel G. Wright (W) | George Sykes (D) | Died July 30, 1845 |
| Georgia 3 | 29 | January 5, 1846 | None[16] | George W. Towns (D) | [Data unknown/missing. You can help!] |
| Ohio 7 | 30 | November 8, 1847 | Thomas L. Hamer (D) | Jonathan D. Morris (D) | Died December 2, 1846 |
| Pennsylvania 6 | 30 | Elected February 23, 1848 Started March 6, 1848 |
John W. Hornbeck (W) | Samuel A. Bridges (D) | Died June 16, 1848 |
| Ohio 6 | 31 | October 9, 1849 | Rodolphus Dickinson (D) | Amos E. Wood (D) | Died March 20, 1849 |
| Vermont 3 | 31 | November 7, 1849 | George Perkins Marsh (W) | James Meacham (W) | [Data unknown/missing. You can help!] |
| Georgia 1 | 31 | February 4, 1850 | Thomas Butler King (W) | Joseph Webber Jackson (D) | [Data unknown/missing. You can help!] |
| Massachusetts 1 | 31 | August 22, 1850 | Robert C. Winthrop (W) | Samuel A. Eliot (W) | [Data unknown/missing. You can help!] |
| New Hampshire 3 | 31 | October 8, 1850 | James Wilson II (W) | George W. Morrison (D) | [Data unknown/missing. You can help!] |
| Pennsylvania 15 | 31 | Elected October 8, 1850 Started December 2, 1850 |
Henry Nes (W) | Joel B. Danner (D) | Died September 10, 1850 |
| Ohio 6 | 31 | December 23, 1850 | Amos E. Wood (D) | John Bell (D) | Died November 19, 1850 |
| Pennsylvania 11 | 31 | Elected December 31, 1850 Started January 13, 1851 |
Chester P. Butler (W) | John Brisbin (W) | Died October 5, 1850 |
| Maine 4 | 32 | June 25, 1852 | Charles Andrews (D) | Isaac Reed (W) | [Data unknown/missing. You can help!] |
| Pennsylvania 8 | 33 | Elected February 4, 1854 Started February 13, 1854 |
Henry A. Muhlenberg (D) | J. Glancy Jones (D) | Died January 9, 1854 |
| Massachusetts 1 | 33 | April 17, 1854 | Zeno Scudder (W) | Thomas D. Eliot (W) | [Data unknown/missing. You can help!] |
| Vermont 1 | 34 | January 3, 1856 | James Meacham (O) | George Tisdale Hodges (R) | [Data unknown/missing. You can help!] |
| Pennsylvania 12 | 35 | Elected October 13, 1857 Started December 7, 1857 |
John G. Montgomery (D) | Paul Leidy (D) | Died April 24, 1857 |
| Pennsylvania 8 | 35 | Elected November 30, 1858 Started December 7, 1858 |
J. Glancy Jones (D) | William H. Keim (R) | Resigned October 30, 1858 |
| Ohio 14 | 36 | October 11, 1859 | Cyrus Spink (R) | Harrison G. O. Blake (R) | Died May 31, 1859 |
| Pennsylvania 8 | 36 | Elected October 9, 1860 Started December 3, 1860 |
John Schwartz (ALD) | Jacob K. McKenty (D) | Died June 20, 1860 |
| Maine 5 | 36 | November 6, 1860 | Israel Washburn, Jr. (R) | Stephen Coburn (R) | [Data unknown/missing. You can help!] |
| Ohio 7 | 37 | May 28, 1861 | Thomas Corwin (R) | Richard A. Harrison (U) | Resigned March 12, 1861; appointed U.S. Minister to Mexico |
| Ohio 13 | 37 | May 28, 1861 | John Sherman (R) | Samuel T. Worcester (R) | Resigned March 21, 1861; elected to the U.S. Senate |
| Pennsylvania 2 | 37 | Elected June 21, 1861 Started July 4, 1861 |
Edward Joy Morris (R) | Charles J. Biddle (UD) | Resigned June 8, 1861 after appointment as Minister Resident to Turkey |
| Pennsylvania 12 | 37 | Elected June 21, 1861 Started July 4, 1861 |
George W. Scranton (R) | Hendrick Bradley Wright (UD) | Died March 24, 1861 |
| Pennsylvania 7 | 37 | Elected May 24, 1862 Started June 3, 1862 |
Thomas B. Cooper (D) | John D. Stiles (D) | Died April 4, 1862 |
| Maine 2 | 37 | December 1, 1862 | Charles W. Walton (R) | Thomas Fessenden (R) | [Data unknown/missing. You can help!] |
| Delaware At-Large | 38 | November 19, 1863 | William Temple (D) | Nathaniel B. Smithers (U) | Died May 28, 1863 |
| Ohio 2 | 40 | October 8, 1867 | Rutherford B. Hayes (R) | Samuel Fenton Cary (IR) | Resigned July 20, 1867 after being nominated for Governor of Ohio |
| Pennsylvania 12 | 40 | Elected October 8, 1867 Started November 21, 1867 |
Charles Denison (D) | George W. Woodward (D) | Died June 27, 1867 |
| Ohio 8 | 40 | January 27, 1868 | Cornelius S. Hamilton (R) | John Beatty (R) | Killed December 22, 1867 |
| Pennsylvania 9 | 40 | Elected October 13, 1868 Started December 7, 1868 |
Thaddeus Stevens (R) | Oliver J. Dickey (R) | Died August 11, 1868 |
| Pennsylvania 20 | 40 | Elected October 13, 1868 Started December 7, 1868 |
Darwin A. Finney (R) | Solomon Newton Pettis (R) | Died August 25, 1868 |
| Massachusetts 7 | 41 | November 2, 1869 | George S. Boutwell (R) | George M. Brooks (R) | [Data unknown/missing. You can help!] |
| Ohio 10 | 41 | April 5, 1870 | Truman H. Hoag (D) | Erasmus D. Peck (R) | Died February 5, 1870 |
| North Carolina 4 | 41 | August 4, 1870 | John T. Deweese (R) | Robert B. Gilliam (D) [17] | [Data unknown/missing. You can help!] |
| North Carolina 4 | 41 | November 26, 1870 | John T. Deweese (R) | John Manning, Jr. (D) | [Data unknown/missing. You can help!] |
| South Carolina 1 | 41 | December 12, 1870 | Benjamin F. Whittemore (R) | Joseph Rainey (R) | [Data unknown/missing. You can help!] |
| Georgia 4 | 41 | December 22, 1870 | Samuel F. Gove (R) | Jefferson F. Long (R) | [Data unknown/missing. You can help!] |
| Ohio 1 | 42 | October 8, 1872 | Aaron F. Perry (R) | Ozro J. Dodds (D) | Resigned |
| Georgia 4 | 42 | October 29, 1872 | Thomas J. Speer (R) | Erasmus W. Beck (D) | [Data unknown/missing. You can help!] |
| Pennsylvania 13 | 42 | Elected December 24, 1872 Started January 7, 1873 |
Ulysses Mercur (R) | Frank C. Bunnell (R) | Resigned December 2, 1872 to accept a judicial position |
| Oregon 1 | 43 | October 13, 1873 | Joseph G. Wilson (R) | James Nesmith (D) | Died July 2, 1873 |
| Georgia 8 | 43 | December 1, 1873 | None[18] | Alexander H. Stephens (D) | [Data unknown/missing. You can help!] |
| Oregon At-large | 43 | December 1, 1873 | Joseph G. Wilson (R) | James W. Nesmith (D) | [Data unknown/missing. You can help!] |
| Ohio 12 | 43 | October 13, 1874 | Hugh J. Jewett (D) | William E. Finck (D) | Resigned June 23, 1874 to become president of the Erie Railroad Co. |
| Pennsylvania 23 | 43 | Elected November 3, 1874 Started January 5, 1875 |
Ebenezer McJunkin (R) | John M. Thompson (R) | Resigned January 1, 1875 |
| Georgia 9 | 44 | May 5, 1875 | None[19] | Benjamin Harvey Hill (D) | [Data unknown/missing. You can help!] |
| Maine 4 | 44 | September 13, 1875 | Samuel F. Hersey (R) | Harris M. Plaisted (R) | [Data unknown/missing. You can help!] |
| Oregon At-large | 44 | October 25, 1875 | None[20] | Lafayette Lane (D) | Died May 1, 1875 |
| Pennsylvania 12 | 44 | Elected November 7, 1876 Started December 4, 1876 |
Winthrop W. Ketchum (R) | William H. Stanton (D) | Resigned July 19, 1876 |
| Maine 3 | 44 | December 4, 1876 | James G. Blaine (R) | Edwin Flye (R) | [Data unknown/missing. You can help!] |
| Georgia 9 | 45 | April 13, 1877 | Benjamin Harvey Hill (D) | Hiram Parks Bell (D) | [Data unknown/missing. You can help!] |
| Nebraska At-large | 45 | November 5, 1878 | Frank Welch (R) | Thomas Jefferson Majors (R) | [Data unknown/missing. You can help!] |
| Georgia 1 | 46 | February 10, 1879 | Julian Hartridge (D) | William Bennett Fleming (D) | [Data unknown/missing. You can help!] |
| Ohio 19 | 46 | November 30, 1880 | James A. Garfield (R) | Ezra B. Taylor (R) | Resigned November 8, 1880 after being elected U.S. President |
| New Hampshire 3 | 46 | January 8, 1881 | Evarts Worcester Farr (R) | Ossian Ray (R) | [Data unknown/missing. You can help!] |
| Maine 2 | 47 | September 12, 1881 | William P. Frye (R) | Nelson Dingley, Jr. (R) | [Data unknown/missing. You can help!] |
| Rhode Island 1 | 47 | November 22, 1881 | Nelson W. Aldrich (R) | Henry J. Spooner (R) | [Data unknown/missing. You can help!] |
| Georgia 8 | 47 | November 8, 1882 | Alexander H. Stephens (D) | Seaborn Reese (D) | [Data unknown/missing. You can help!] |
| Utah Territory At-large | 47 | November 8, 1882 | George Q. Cannon (R) | John Thomas Caine (D) | [Data unknown/missing. You can help!] |
| Ohio 16 | 47 | January 2, 1883 | Jonathan T. Updegraff (R) | Joseph D. Taylor (R) | Died November 30, 1882 |
| Ohio 17 | 48 | Elected January 2, 1883; Started December 3, 1883 |
Jonathan T. Updegraff (R) | Joseph D. Taylor (R) | Died November 30, 1882 |
| West Virginia 3 | 48 | May 15, 1883 | John E. Kenna (D) | Charles P. Snyder (D) | [Data unknown/missing. You can help!] |
| Pennsylvania 19 | 48 | Elected December 23, 1884 Started January 5, 1885 |
William A. Duncan (D) | John A. Swope (D) | Died November 14, 1884 |
| Rhode Island 2 | 48 | February 5, 1885 | Jonathan Chace (R) | Nathan F. Dixon III (R) | [Data unknown/missing. You can help!] |
| Pennsylvania 19 | 49 | November 3, 1885 | William A. Duncan (D) | John A. Swope (D) | Died November 14, 1884 |
| Rhode Island 2 | 49 | February 21, 1887 | None[21] | Charles H. Page (D) | [Data unknown/missing. You can help!] |
| Nebraska 2 | 50 | November 5, 1889 | James Laird (R) | Gilbert L. Laws (R) | [Data unknown/missing. You can help!] |
| Pennsylvania 4 | 51 | Elected February 18, 1890 Started February 24, 1890 |
William D. Kelley (R) | John E. Reyburn (R) | Died January 9, 1890 |
| Pennsylvania 3 | 51 | Elected May 20, 1890 Started May 28, 1890 |
Samuel J. Randall (D) | Richard Vaux (D) | Died April 13, 1890 |
| Pennsylvania 27 | 51 | November 4, 1890 | Lewis F. Watson (R) | Charles W. Stone (R) | Died August 25, 1890 |
| South Dakota At-large | 52 | November 3, 1891 | John Rankin Gamble (R) | John L. Jolley (R) | [Data unknown/missing. You can help!] |
| California 3 | 52 | November 8, 1892 | Joseph McKenna (R) | Samuel G. Hilborn (R) | [Data unknown/missing. You can help!] |
| Ohio 16 | 52 | November 8, 1892 | John G. Warwick (D) | Lewis P. Ohliger (D) | Died August 14, 1892 |
| Pennsylvania 24 | 52 | November 8, 1892 | Alexander K. Craig (D) | William A. Sipe (D) | Died July 29, 1892 |
| Rhode Island 2 | 53 | April 5, 1893 | None[22] | Charles H. Page (D) | [Data unknown/missing. You can help!] |
| Pennsylvania 8 | 53 | June 23, 1893 | William Mutchler (D) | Howard Mutchler (D) | Died June 23, 1893 |
| Ohio 10 | 53 | July 13, 1893 | William H. Enochs (R) | Hezekiah S. Bundy (R) | Died July 13, 1893 |
| Pennsylvania 8 | 53 | Elected July 25, 1893 Started August 7, 1893 |
William Mutchler (D) | Howard Mutchler (D) | Died June 23, 1893 |
| Michigan 1 | 53 | August 17, 1893 | J. Logan Chipman (D) | Levi T. Griffin (D) | Died August 17, 1893 |
| Wisconsin 4 | 53 | August 27, 1893 | Vacant | Peter J. Somers (D) | [Data unknown/missing. You can help!] |
| Ohio 10 | 53 | November 5, 1893 | William H. Enochs (R) | Hezekiah S. Bundy (R) | Died July 13, 1893 |
| Pennsylvania 2 | 53 | Elected December 19, 1893 Started January 3, 1894 |
Charles O'Neill (R) | Robert Adams, Jr. (R) | Died November 25, 1893 |
| New York 15 | 53 | December 26, 1893 | Ashbel P. Fitch (D) | Isidor Straus (D) | Resigned having been elected Comptroller of New York |
| New York 14 | 53 | December 31, 1893 | John R. Fellows (D) | Lemuel E. Quigg (R) | Resigned having been elected New York County D. A. |
| Virginia 7 | 53 | December 31, 1893 | Charles T. O'Ferrall (D) | Smith S. Turner (D) | Resigned having been elected Governor of Virginia |
| Pennsylvania At-Large | 53 | January 20 or February 20, 1894 | William Lilly (R) | Galusha A. Grow (R) | Died December 1, 1893 |
| Ohio 3 | 53 | May 1, 1894 | George W. Houk (D) | Paul J. Sorg (D) | Died February 9, 1894 |
| South Carolina 1 | 53 | February 12, 1894 | William H. Brawley (D) | James F. Izlar (D) | Resigned having been appointed to the United States District Court for the District of South Carolina |
| Louisiana 4 | 53 | March 12, 1894 | Newton C. Blanchard (D) | Henry W. Ogden (D) | Resigned having been elected to the U. S. Senate |
| Missouri 11 | 53 | April 3, 1894 | Charles F. Joy (R) | John J. O'Neill (D) | Lost contested election |
| California 3 | 53 | April 4, 1894 | Samuel G. Hilborn (R) | Warren B. English (D) | Lost contested election |
| Maryland 1 | 53 | May 10, 1894 | Robert F. Bratton (D) | W. Laird Henry (D) | Death |
| Maryland 5 | 53 | May 15, 1894 | Barnes Compton (D) | Charles E. Coffin (R) | Resigned |
| Kentucky 10 | 53 | July 7, 1894 | Marcus C. Lisle (D) | William M. Beckner (D) | Died July 7, 1894 |
| Kansas 2 | 53 | August 2, 1894 | Edward H. Funston (R) | Horace L. Moore (D) | Lost contested election |
| Wisconsin 7 | 53 | August 27, 1894 | George B. Shaw (R) | Michael Griffin (R) | [Data unknown/missing. You can help!] |
| Arkansas 2 | 53 | November 1, 1894 | Clifton R. Breckinridge (D) | John S. Little (D) | Resigned to become Minister to Russia |
| Ohio 2 | 53 | November 6, 1894 | John A. Caldwell (R) | Jacob H. Bromwell (R) | Resigned May 4, 1894 having been elected Mayor of Cincinnati |
| Alabama 3 | 53 | November 30, 1894 | William C. Oates (D) | George P. Harrison (D) | Resigned to become 29th Governor of Alabama |
| Kentucky 9 | 53 | January 5, 1895 | Thomas H. Paynter (D) | Vacant | Resigned having been elected to the Kentucky Court of Appeals |
| Illinois 10 | 53 | January 6, 1895 | Philip S. Post (R) | Vacant | Died January 6, 1895 |
| Michigan 3 | 53 | January 13, 1895 | Julius C. Burrows (R) | Vacant | Resigned having been elected to the U. S. Senate |
| Pennsylvania 15 | 53 | February 19, 1895 | Myron B. Wright (R) | Edwin J. Jorden (R) | Died November 13, 1894 |
| Pennsylvania 15 | 54 | Elected February 19, 1895 Started March 4, 1895 |
Myron B. Wright (R) | James H. Codding (R) | Died November 13, 1894 |
| Georgia 10 | 54 | October 2, 1895 | James C. C. Black (D) | James C. C. Black[23] (D) | [Data unknown/missing. You can help!] |
| Massachusetts 6 | 54 | November 5, 1895 | William Cogswell (R) | William Henry Moody (R) | Died May 22, 1895 |
| New York 10 | 54 | November 5, 1895 | Amos J. Cummings (D) | Vacant | [Data unknown/missing. You can help!] |
| Illinois 10 | 54 | December 2, 1895 | Vacant | George W. Prince (R) | [Data unknown/missing. You can help!] |
| Illinois 18 | 54 | December 2, 1895 | Frederick Remann (R) | William F. L. Hadley (R) | Died July 14, 1895 |
| Michigan 3 | 54 | December 2, 1895 | Vacant | Alfred Milnes (R) | [Data unknown/missing. You can help!] |
| Illinois 3 | 54 | December 27, 1895 | Lawrence E. McGann (D) | Hugh R. Belknap (R) | Lost contested election |
| Texas 11 | 54 | April 7, 1896 | William H. Crain (D) | Rudolph Kleberg (D) | Died February 10, 1896 |
| Missouri 5 | 54 | February 27, 1896 | John C. Tarsney (D) | Robert T. Van Horn (R) | Lost contested election |
| Alabama 4 | 54 | March 12, 1896 | Gaston A. Robbins (D) | William F. Aldrich (R) | Lost contested election |
| Louisiana 5 | 54 | March 20, 1896 | Charles J. Boatner (D) | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Virginia 5 | 54 | May 2, 1896 | William R. McKenney (D) | Robert T. Thorp (R) | Lost contested election |
| Alabama 5 | 54 | April 21, 1896 | James E. Cobb (D) | Albert T. Goodwyn (P) | Lost contested election |
| South Carolina 7 | 54 | June 1, 1896 | J. William Stokes (D) | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| New York 8 | 54 | June 2, 1896 | James J. Walsh (D) | John M. Mitchell (R) | Lost contested election |
| South Carolina 1 | 54 | June 4, 1896 | William Elliott (D) | George W. Murray (R) | Lost contested election |
| Illinois 16 | 54 | June 5, 1896 | Finis E. Downing (D) | John I. Rinaker (R) | Lost contested election |
| North Carolina 6 | 54 | June 5, 1896 | James A. Lockhart (D) | Charles H. Martin (P) | Lost contested election |
| Alabama 9 | 54 | June 9, 1896 | Oscar W. Underwood (D) | Truman H. Aldrich (R) | Lost contested election |
| Georgia 3 | 54 | December 19, 1896 | Charles Frederick Crisp (D) | Charles R. Crisp (D) | Died October 23, 1896 |
| New York 19 | 54 | January 7, 1897 | Frank S. Black (R) | Vacant | Resigned having been elected Governor of New York |
| Kentucky 10 | 54 | February 18, 1897 | Joseph M. Kendall (D) | Nathan T. Hopkins (R) | Lost contested election |
| Pennsylvania 25 | 55 | Elected April 20, 1897 Started May 3, 1897 |
James J. Davidson (R) | Joseph B. Showalter (R) | Died January 2, 1897 |
| Maine 3 | 55 | June 21, 1897 | Seth L. Milliken (R) | Edwin C. Burleigh (R) | Died April 18, 1897 |
| Indiana 4 | 55 | December 6, 1897 | William S. Holman (D) | Francis M. Griffith (D) | Died April 22, 1896 |
| South Carolina 6 | 55 | December 6, 1897 | John L. McLaurin (D) | James Norton (D) | Resigned having been elected to the U. S. Senate |
| Missouri 1 | 55 | June 1, 1897 | Vacant | James T. Lloyd (D) | [Data unknown/missing. You can help!] |
| Illinois 6 | 55 | November 23, 1897 | Edward D. Cooke (R) | Henry S. Boutell (R) | Died June 24, 1897 |
| Massachusetts 1 | 55 | November 2, 1897 | Ashley B. Wright (R) | George P. Lawrence (R) | Died August 14, 1897 |
| New York 3 | 55 | December 5, 1897 | Francis H. Wilson (R) | Edmund H. Driggs (D) | Resigned having been appointed Postmaster of Broooklyn, New York |
| Alabama 4 | 55 | February 9, 1898 | Thomas S. Plowman (D) | William F. Aldrich (R) | Lost contested election |
| Pennsylvania 23 | 55 | November 29, 1898 | William A. Stone (R) | William H. Graham (R) | Resigned having been elected Governor of Pennsylvania |
| Virginia 4 | 55 | March 23, 1898 | Sydney P. Epes (D) | Robert T. Thorp (R) | Lost contested election |
| Massachusetts 13 | 55 | May 31, 1898 | John Simpkins (R) | William S. Greene (R) | Died March 27, 1898 |
| Virginia 2 | 55 | April 26, 1898 | William A. Young (D) | Richard A. Wise (R) | Lost contested election |
| Mississippi 2 | 55 | July 5, 1898 | William V. Sullivan (D) | Thomas Spight (D) | Resigned having been elected to the U. S. Senate |
| Ohio 19 | 55 | November 8, 1898 | Stephen A. Northway (R) | Charles W. F. Dick (R) | Died September 8, 1898 |
| Mississippi 6 | 55 | December 12, 1898 | William F. Love (D) | Frank A. McLain (D) | Died October 16, 1898 |
| New York 34 | 55 | November 10, 1898 | Warren B. Hooker (R) | Vacant | Resigned having been appointed a justice of the New York Supreme Court |
| Tennessee 4 | 55 | January 6, 1899 | Benton McMillin (D) | Vacant | Resigned having been elected Governor of Tennessee |
| New York 2 | 55 | February 26, 1899 | Denis J. Hurley (R) | Redistricted to New York 7 prior to next election. | Death |
| Maine 2 | 56 | June 19, 1899 | Nelson Dingley, Jr. (R) | Charles E. Littlefield (R) | Death |
| Maine 1 | 56 | November 6, 1899 | Thomas Brackett Reed (R) | Amos L. Allen (R) | Resigned due to intra-party feud that saw him at odds with the foreign policy of President McKinley. |
| Nebraska 6 | 56 | November 7, 1899 | William Laury Greene (Pop) | William Neville (Pop) | Death |
| Ohio 16 | 56 | November 7, 1899 | Lorenzo Danford (R) | Joseph J. Gill (R) | Died June 19, 1899 |
| Pennsylvania 9 | 56 | Elected November 7, 1899 Started December 4, 1899 |
Daniel Ermentrout (D) | Henry D. Green (D) | Died September 7, 1899 |
| Utah At-large | 56 | April 25, 1900 | None[24] | William H. King (D) | Disputed election. |
| California 2 | 56 | November 6, 1900 | Marion De Vries (D) | Samuel D. Woods (R) | Resigned upon appointment to the Board of General Appraisers. |
| Delaware At-large | 56 | November 6, 1900 | John H. Hoffecker (R) | Walter O. Hoffecker (R) | Died June 16, 1900 |
| New Jersey 7 | 56 | November 6, 1900 | William D. Daly (D) | Allan L. McDermott (D) | Died July 31, 1900 |
| Pennsylvania 5 | 56 | Elected November 6, 1900 Started December 3, 1900 |
Alfred C. Harmer (R) | Edward de Veaux Morrell (R) | Died March 6, 1900 |
| Maine 4 | 57 | April 8, 1901 | Charles A. Boutelle (R) | Llewellyn Powers (R) | Death (pneumonia) |
| Pennsylvania 10 | 57 | Elected November 5, 1901 Started December 2, 1901 |
Marriott Brosius (R) | Henry B. Cassel (R) | Died March 16, 1901 |
| New Jersey 4 | 57 | June 18, 1902 | Joshua S. Salmon (D) | De Witt C. Flanagan (D) | Died May 6, 1902 |
| Pennsylvania 17 | 57 | November 4, 1902 | Rufus King Polk (D) | Alexander Billmeyer (D) | Died March 5, 1902 |
| Oregon 1 | 58 | June 1, 1903 | Thomas H. Tongue | Binger Hermann (R) | Death |
| Ohio 16 | 58 | November 3, 1903 | Joseph J. Gill (R) | Capell L. Weems (R) | Resigned October 31, 1903 |
| Pennsylvania 4 | 58 | Elected November 3, 1903 Started November 9, 1903 |
Robert H. Foerderer (R) | Reuben Moon (R) | Died July 26, 1903 |
| Pennsylvania 3 | 58 | Elected February 16, 1904 Started February 29, 1904 |
Henry Burk (R) | George A. Castor (R) | Died December 5, 1903 |
| Ohio 14 | 58 | May 19, 1904 | William W. Skiles (R) | Amos R. Webber (R) | Died January 9, 1904 |
| Ohio 19 | 58 | May 19, 1904 | Charles W. F. Dick (R) | W. Aubrey Thomas (R) | Resigned March 23, 1904 after being elected to the U.S. Senate |
| California 3 | 58 | November 8, 1904 | Victor H. Metcalf (R) | Joseph R. Knowland (R) | Resigned upon appointment as United States Secretary of Commerce and Labor. |
| New Jersey 4 | 58 | November 8, 1904 | William M. Lanning (R) | Ira W. Wood (R) | Resigned June 6, 1904 after appointment as a Judge of the United States District Court for the District of New Jersey |
| West Virginia 2 | 59 | June 6, 1905 | Alston G. Dayton (R) | Thomas Beall Davis (D) | Resigned upon appointment as a judge for the United States District Court for the Northern District of West Virginia. |
| Nebraska 1 | 59 | July 18, 1905 | Elmer Burkett (R) | Ernest M. Pollard (R) | Resigned upon appointment as United States Senator from Nebraska. |
| California 1 | 59 | November 6, 1906 | James Gillett (R) | William F. Englebright (R) | Resigned upon election as Governor of California. |
| Georgia 1 | 59 | November 6, 1906 | Rufus E. Lester (D) | James W. Overstreet (D) | Death |
| Pennsylvania 2 | 59 | Elected November 6, 1906 Started December 3, 1906 |
Robert Adams, Jr. (R) | John E. Reyburn (R) | Died June 1, 1906 |
| Pennsylvania 3 | 59 | Elected November 6, 1906 Started December 3, 1906 |
George A. Castor (R) | J. Hampton Moore (R) | Died February 19, 1906 |
| Pennsylvania 12 | 59 | Elected November 6, 1906 Started December 3, 1906 |
George R. Patterson (R) | Charles N. Brumm (R) | Died March 21, 1906 |
| Pennsylvania 2 | 60 | Elected November 5, 1907 Started December 2, 1907 |
John E. Reyburn (R) | Joel Cook (R) | Resigned March 31, 1907 after being elected Mayor of Philadelphia |
| Maine 2 | 60 | November 3, 1908 | Charles E. Littlefield (R) | John P. Swasey (R) | Resigned to open a corporate law firm. |
| Maine 4 | 60 | November 3, 1908 | Llewellyn Powers (R) | Frank E. Guernsey (R) | Death |
| South Dakota At-large | 60 | November 3, 1908 | William H. Parker (R) | Eben Martin (R) | Death |
| Ohio 21 | 61 | April 20, 1909 | Theodore E. Burton (R) | James H. Cassidy (R) | Resigned March 3, 1909 |
| Georgia 2 | 61 | February 6, 1910 | James M. Griggs (D) | Seaborn Roddenbery (D) | Death |
| Pennsylvania 2 | 62 | Elected May 23, 1911 Started June 2, 1911 |
Joel Cook (R) | William S. Reyburn (R) | Died December 15, 1910 |
| Nebraska 3 | 62 | November 7, 1911 | James P. Latta (D) | Dan V. Stephens (D) | Death |
| New Jersey 1 | 62 | November 7, 1911 | Henry C. Loudenslager (R) | William J. Browning (R) | Died August 12, 1911 |
| Pennsylvania 14 | 62 | Elected November 7, 1911 Started December 4, 1911 |
George W. Kipp (D) | William D. B. Ainey (R) | Died July 24, 1911 |
| Pennsylvania 1 | 62 | July 30, 1912 | Henry H. Bingham (R) | William Scott Vare (R) | Died March 22, 1912 |
| Vermont 1 | 62 | July 30, 1912 | David J. Foster (R) | Frank L. Greene (R) | Death |
| New Jersey 6 | 62 | November 5, 1912 | William Hughes (D) | Archibald C. Hart (D) | Resigned September 12, 1912 upon appointment to the Court of Common Pleas of Passaic County |
| New Jersey 6 | 63 | July 22, 1913 | Lewis J. Martin (D) | Archibald C. Hart (D) | Died May 5, 1913 |
| Maine 3 | 63 | September 9, 1913 | Forrest Goodwin (R) | John A. Peters (R) | Death |
| West Virginia 1 | 63 | October 14, 1913 | John W. Davis (D) | Matthew M. Neely (D) | Resigned upon appointment as United States Solicitor General. |
| Georgia 2 | 63 | November 4, 1913 | Seaborn Roddenbery (D) | Frank Park (D) | Death (throat cancer) |
| New Jersey 7 | 63 | April 7, 1914 | Robert G. Bremner (D) | Dow H. Drukker (R) | Died February 5, 1914 |
| Georgia 10 | 63 | November 3, 1914 | Thomas W. Hardwick (D) | Carl Vinson (D) | Resigned upon election as United States Senator from Georgia. |
| New Jersey 9 | 63 | December 1, 1914 | Walter I. McCoy (R) | Richard W. Parker (R) | Resigned October 3, 1914 |
| Pennsylvania 24 | 64 | November 2, 1915 | William M. Brown (R) | Henry W. Temple (R) | Died January 31, 1915 |
| West Virginia 2 | 64 | May 9, 1916 | William Gay Brown, Jr. (D) | George Meade Bowers (R) | Death |
| California 10 | 64 | November 7, 1916 | William Stephens (R) | Henry S. Benedict (R) | Resigned upon appointment as Lieutenant Governor of California. |
| West Virginia 4 | 64 | November 7, 1916 | Hunter Holmes Moss, Jr. (R) | Harry C. Woodyard (R) | Death |
| Georgia 8 | 64 | January 11, 1917 | Samuel Joelah Tribble (D) | Tinsley W. Rucker, Jr. (D) | Death |
| New Hampshire 1 | 65 | May 29, 1917 | Cyrus A. Sulloway (R) | Sherman Everett Burroughs (R) | Death |
| North Dakota 1 | 65 | July 10, 1917 | Henry Thomas Helgesen (R) | John Miller Baer (R) | Death |
| Pennsylvania 28 | 65 | November 6, 1917 | Orrin D. Bleakley (R) | Earl H. Beshlin (D) | Resigned April 3, 1917 |
| Georgia 4 | 65 | January 16, 1918 | William C. Adamson (D) | William C. Wright (D) | Resigned upon appointment to the Board of General Appraisers. |
| New Jersey 5 | 65 | November 5, 1918 | John H. Capstick (R) | William F. Birch (R) | Died March 17, 1918 |
| Ohio 14 | 65 | November 5, 1918 | Ellsworth Raymond Bathrick (D) | Martin L. Davey (D) | Died December 23, 1917 |
| Pennsylvania 22 | 65 | March 4, 1919 | Edward E. Robbins (R) | John H. Wilson (D) | Died January 25, 1919 |
| Alaska Territory At-large | 66 | June 5, 1919 | Disputed[25] | George Barnes Grigsby (D) | Death during electoral recount. |
| Oklahoma 5 | 66 | November 8, 1919 | Joseph Bryan Thompson (D) | John W. Harreld (R) | Died September 18, 1919 |
| New Jersey 1 | 66 | November 2, 1920 | William J. Browning (R) | Francis F. Patterson, Jr. (R) | Died March 24, 1920 |
| Oklahoma 8 | 66 | November 2, 1920 | Dick Thompson Morgan (R) | Charles Swindall (R) | Died July 4, 1920 |
| Pennsylvania 3 | 66 | Elected November 2, 1920 Started January 4, 1921 |
J. Hampton Moore (R) | Harry C. Ransley (R) | Resigned January 4, 1920 to become Mayor of Philadelphia |
| California 9 | 67 | February 15, 1921 | Charles F. Van de Water (R) | Walter F. Lineberger (R) | Death (automobile accident) |
| Pennsylvania At-Large | 67 | Elected September 20, 1921 Started October 10, 1921 |
Mahlon M. Garland (R) | Thomas S. Crago (R) | Died November 19, 1920 |
| Maine 3 | 67 | March 20, 1922 | John A. Peters (R) | John E. Nelson (R) | Resigned upon appointment as a judge for the United States District Court for the District of Maine. |
| Hawaii Territory At-large | 67 | March 25, 1922 | Jonah Kūhiō Kalaniana'ole (R) | Henry Alexander Baldwin (R) | Death |
| California 6 | 67 | November 7, 1922 | John A. Elston (R) | James H. MacLafferty (R) | Death (suicide) |
| Nebraska 1 | 67 | November 7, 1922 | C. Frank Reavis (R) | Roy H. Thorpe (R) | Resigned upon appointment as Assistant Attorney General. |
| Nebraska 6 | 67 | November 7, 1922 | Moses Kinkaid (R) | Augustin Reed Humphrey (R) | Death |
| California 1 | 68 | January 23, 1923 | John I. Nolan (R) | Mae Nolan (R) | Death |
| California 10 | 68 | May 1, 1923 | Henry Z. Osborne (R) | John D. Fredericks (R) | Death |
| Vermont 2 | 68 | November 6, 1923 | Porter H. Dale (R) | Ernest Willard Gibson (R) | Resigned upon election as United States Senator from Vermont |
| North Dakota 2 | 68 | November 4, 1924 | George M. Young (R) | Thomas Hall (R) | Resigned upon appointment to the Board of General Appraisers. |
| New Jersey 3 | 69 | November 3, 1925 | T. Frank Appleby (R) | Stewart H. Appleby (R) | Died December 15, 1924 |
| California 2 | 69 | August 31, 1926 | John Raker (D) | Harry Englebright (R) | Death |
| California 5 | 69 | August 31, 1926 | Lawrence Flaherty (R) | Richard Welch (R) | Death |
| Oregon 3 | 70 | October 18, 1927 | Maurice Crumpacker (R) | Franklin Korell (R) | Death (drowning) |
| Ohio 2 | 70 | November 8, 1927 | Ambrose E. B. Stephens (R) | Charles Tatgenhorst, Jr. (R) | Died February 12, 1927 |
| Pennsylvania 1 | 70 | Elected November 8, 1927 Started December 5, 1927 |
James M. Hazlett (R) | James M. Beck (R) | Resigned October 20, 1927 |
| Oregon 2 | 70 | November 6, 1928 | Nicholas Sinnott (R) | Robert Butler (R) | Resigned upon appointment as a judge for the United States Court of Claims. |
| Pennsylvania 8 | 70 | Elected November 6, 1928 Started December 3, 1928 |
Thomas S. Butler (R) | James Wolfenden (R) | Died May 26, 1928 |
| Pennsylvania 12 | 71 | Elected June 4, 1929 Started June 11, 1929 |
John J. Casey (D) | C. Murray Turpin (R) | Died May 5, 1929 |
| Georgia 5 | 71 | October 2, 1929 | Leslie Steele (D) | Robert Ramspeck (D) | Death |
| Pennsylvania 32 | 71 | November 4, 1930 | Stephen G. Porter (R) | Edmund F. Erk (R) | Died June 27, 1930 |
| Rhode Island 3 | 71 | November 4, 1930 | Jeremiah O'Connell (D) | Francis Condon (D) | Resigned upon appointment as a judge for the Rhode Island Superior Court. |
| Utah 2 | 71 | November 4, 1930 | Elmer Leatherwood (R) | Frederick Loofbourow (R) | Death |
| West Virginia 4 | 71 | November 4, 1930 | James Hughes (R) | Robert Hogg (R) | Death |
| Georgia 1 | 72 | September 9, 1931 | Charles Edwards (D) | Homer Parker (D) | Death (heart attack) |
| Ohio 1 | 72 | Elected November 3, 1931; Started December 7, 1931 |
Nicholas Longworth (R) | John B. Hollister (R) | Died April 9, 1931 |
| Ohio 20 | 72 | Elected November 3, 1931; Started December 7, 1931 |
Charles A. Mooney (D) | Martin L. Sweeney (D) | Died May 29, 1931 |
| Pennsylvania 2 | 72 | Elected November 3, 1931; Started December 7, 1931 |
George Scott Graham (R) | Edward L. Stokes (R) | Died July 4, 1931 |
| New Jersey 5 | 72 | December 1, 1931 | Ernest R. Ackerman (R) | Percy Hamilton Stewart (D) | Died October 18, 1931 |
| New Hampshire 1 | 72 | January 5, 1932 | Fletcher Hale (R) | William Rogers (D) | Death |
| Georgia 6 | 72 | March 2, 1932 | Samuel Rutherford (D) | Carlton Mobley (D) | Death (heart attack) |
| Pennsylvania 20 | 72 | Elected April 26, 1932 Started May 6, 1932 |
J. Russell Leech (R) | Howard W. Stull (R) | Resigned January 29, 1932 after appointment to the U.S. Board of Tax Appeals |
| Georgia 3 | 72 | November 8, 1932 | Charles Crisp (D) | Bryant Castellow (D) | Resigned upon appointment to the United States Tariff Commission |
| Pennsylvania 6 | 72 | Elected November 8, 1932 Started December 5, 1932 |
George A. Welsh (R) | Robert L. Davis (R) | Resigned May 31, 1932 after appointment as Judge of the U.S. District Court for the Eastern District of Pennsylvania |
| Pennsylvania 18 | 72 | Elected November 8, 1932 Started December 5, 1932 |
Edward M. Beers (R) | Joseph F. Biddle (R) | Died April 21, 1932 |
| Georgia 10 | 73 | July 5, 1933 | Charles Brand (D) | Paul Brown (D) | Death |
| Arizona At-large | 73 | October 3, 1933 | Lewis Douglas (D) | Isabella Greenway (D) | Resigned upon appointment as director of the Bureau of the Budget. |
| Pennsylvania 9 | 73 | Elected November 7, 1933 Started January 3, 1934 |
Henry W. Watson (R) | Oliver W. Frey (D) | Died August 27, 1933 |
| West Virginia 3 | 73 | November 28, 1933 | Lynn Hornor (D) | Andrew Edmiston (D) | Death |
| Vermont At-large | 73 | January 16, 1934 | Ernest Gibson (R) | Charles Plumley (R) | Resigned upon appointment as United States Senator from Vermont. |
| Louisiana 6 | 73 | May 1, 1934 | Bolivar Kemp (D) | Jared Sanders (D) | Death (heart attack) |
| Rhode Island 1 | 74 | August 6, 1935 | Francis Condon (D) | Charles Risk (R) | Resigned upon appointment as a judge for the Rhode Island Supreme Court. |
| Ohio At-Large | 74 | November 3, 1936 | Charles V. Truax (D) | Daniel S. Earhart (D) | Died August 9, 1935 |
| Ohio 11 | 74 | November 3, 1936 | Mell G. Underwood (D) | Peter F. Hammond (D) | Resigned April 10, 1936 after being appointed as a Judge for the U.S. District Court for the Southern District of Ohio |
| California 5 | 75 | May 4, 1937 | Henry Stubbs (D) | Alfred Elliott (D) | Death |
| Pennsylvania 18 | 75 | Elected May 11, 1937 Started May 24, 1937 |
Benjamin K. Focht (R) | Richard M. Simpson (R) | Died March 27, 1937 |
| Oklahoma 5 | 75 | December 10, 1937 | Robert P. Hill (D) | Gomer Griffith Smith (D) | Died October 29, 1937 |
| Ohio 4 | 75 | November 8, 1938 | Frank Kloeb (D) | Walter Albaugh (R) | Resigned August 19, 1937 upon appointment as a judge for the United States District Court for the Northern District of Ohio. |
| Georgia 4 | 76 | August 1, 1939 | Emmett Owen (D) | Albert Camp (D) | Death |
| Pennsylvania 4 | 76 | Elected November 7, 1939; Started December 1, 1939 |
J. Burrwood Daly (D) | John E. Sheridan (D) | Died March 12, 1939 |
| Ohio 17 | 76 | Elected February 27, 1940; Started March 5, 1940 |
William A. Ashbrook (D) | J. Harry McGregor (R) | Died January 1, 1940 |
| Ohio 22 | 76 | February 27, 1940 | Chester C. Bolton (R) | Frances P. Bolton (R) | Died October 29, 1939 |
| Nebraska 1 | 76 | April 19, 1940 | George Heinke (R) | John Sweet (R) | Death (automobile accident) |
| Maine 2 | 76 | June 3, 1940 | Clyde Smith (R) | Margaret Chase Smith (R) | Death |
| Georgia 8 | 76 | October 1, 1940 | Benjamin Gibbs (D) | Florence Reville Gibbs (D) | Death |
| Oklahoma 7 | 77 | April 1, 1941 | Sam C. Massingale (D) | Victor Wickersham (D) | Died January 17, 1941 |
| Pennsylvania 15 | 77 | November 4, 1941 | Albert G. Rutherford (R) | Wilson D. Gillette (R) | Died August 10, 1941 |
| Mississippi 2 | 77 | November, 1941 | Wall Doxey (D) | Jamie Whitten (D) | Resigned upon election to as United States Senator from Mississippi. |
| Pennsylvania 12 | 77 | Elected May 19, 1942 Started June 3, 1942 |
J. Harold Flannery (D) | Thomas B. Miller (R) | Resigned January 3, 1942 to become a Judge of the Common Pleas Court of Luzerne County |
| Pennsylvania 33 | 77 | Elected May 19, 1942 Started June 15, 1942 |
Joseph A. McArdle (D) | Elmer J. Holland (D) | Resigned January 5, 1942 to become a member of the Pittsburgh City Council |
| California 17 | 77 | August 25, 1942 | Lee Guyer (D) | Cecil King (D) | Death |
| Pennsylvania 11 | 77 | Elected November 3, 1942 Started December 3, 1942 |
Patrick J. Boland (D) | Veronica Boland (D) | Died May 18, 1942 |
| California 2 | 78 | August 31, 1943 | Harry Englebright (R) | Clair Engle (D) | Death |
| Pennsylvania 23 | 78 | Elected November 2, 1943 Started November 23, 1943 |
James E. Van Zandt (R) | D. Emmert Brumbaugh (R) | Resigned September 24, 1943 to resume active duty with the U.S. Navy Reserve |
| Pennsylvania 2 | 78 | January 18, 1944 | James McGranery (D) | Joseph Pratt (R) | Resigned November 17, 1943 upon appointment as Assistant Attorney General. |
| Pennsylvania 17 | 78 | Elected January 18, 1944 Started February 8, 1944 |
J. William Ditter (R) | Samuel K. McConnell, Jr. (R) | Died in a plane crash on November 21, 1943 |
| Oklahoma 2 | 78 | March 28, 1944 | John Conover Nichols (D) | William G. Stigler (D) | Resigned July 3, 1943 to become Vice President of Transcontinental & Western Air, Inc. |
| New York 11 | 78 | June 6, 1944 | James O'Leary (D) | Ellsworth Buck (R) | Death |
| Montana 2 | 79 | June 5, 1945 | James O'Connor (D) | Wesley D'Ewart (R) | Death |
| New Jersey 4 | 79 | November 6, 1945 | D. Lane Powers (R) | Frank A. Mathews, Jr. (R) | Resigned August 30, 1945 to become a member of the N.J. Public Utilities Commission |
| Oregon 1 | 79 | January 18, 1946 | James Mott (R) | Walter Norblad (R) | Died November 12, 1945 |
| Georgia 5 | 79 | February 12, 1946 | Robert Ramspeck (D) | Helen Douglas Mankin (D) | Resigned after being hired as vice president of Eastern Airlines. |
| Pennsylvania 33 | 79 | Elected May 21, 1946 Started June 19, 1946 |
Samuel A. Weiss (D) | Frank Buchanan (D) | Resigned January 7, 1946 after election as a Judge of the Court of Common Pleas of Allegheny County |
| Pennsylvania 10 | 79 | November 5, 1946 | John W. Murphy (D) | James P. Scoblick (R) | Resigned July 17, 1946 to become a Judge of the U.S. District Court for the Middle District of Pennsylvania |
| Washington 3 | 80 | June 7, 1947 | Fred B. Norman (R) | Russell V. Mack (R) | Died April 18, 1947 |
| Pennsylvania 8 | 80 | Elected September 9, 1947 Started November 17, 1947 |
Charles L. Gerlach (R) | Franklin H. Lichtenwalter (R) | Died May 5, 1947 |
| Ohio 4 | 80 | November 4, 1947 | Robert Jones (R) | William McCulloch (R) | Resigned upon appointment to the Federal Communications Commission. |
| Pennsylvania 26 | 81 | Elected September 13, 1949 Started September 28, 1949 |
Robert L. Coffey (D) | John P. Saylor (R) | Died April 20, 1949 |
| California 5 | 81 | November 8, 1949 | Richard Welch (R) | Jack Shelley (D) | Death |
| Texas 18 | 81 | May 6, 1950 | Eugene Worley (D) | Ben Guill (R) | Resigned April 3, 1950 |
| New Jersey 7 | 81 | February 6, 1950 | J. Parnell Thomas (R) | William B. Widnall (R) | Resigned January 2, 1950 after conviction for salary fraud |
| West Virginia 5 | 82 | July 17, 1951 | John Kee (D) | Elizabeth Kee (D) | Death |
| Pennsylvania 33 | 82 | Elected July 24, 1951 Started August 1, 1951 |
Frank Buchanan (D) | Vera Buchanan (D) | Died April 27, 1951 |
| Maine 3 | 82 | October 22, 1951 | Frank Fellows (R) | Clifford McIntire (R) | Death |
| New Jersey 9 | 82 | November 6, 1951 | Harry L. Towe (R) | Frank C. Osmers, Jr. (R) | Resigned September 7, 1951 to become N.J. Assistant Attorney General |
| Ohio 3 | 82 | November 6, 1951 | Ed Breen (D) | Paul Schenck (R) | Resigned October 1, 1951 due to ill health |
| Pennsylvania 8 | 82 | Elected November 6, 1951 Started January 8, 1952 |
Albert C. Vaughn (R) | Karl C. King (R) | Died September 1, 1951 |
| Pennsylvania 14 | 82 | Elected November 6, 1951 Started January 8, 1952 |
Wilson D. Gillette (R) | Joseph L. Carrigg (R) | Died August 7, 1951 |
| Nebraska 3 | 82 | December 4, 1951 | Karl Stefan (R) | Bob Harrison (R) | Death |
| Georgia 2 | 83 | February 4, 1953 | Eugene Cox (D) | J. L. Pilcher (D) | Death |
| New Jersey 6 | 83 | November 3, 1953 | Clifford P. Case (R) | Harrison A. Williams (D) | Resigned August 16, 1953 to become President of The Fund for the Republic |
| California 24 | 83 | November 10, 1953 | Norris Poulson (R) | Glen Lipscomb (R) | Resigned upon election as Mayor of Los Angeles |
| Hawaii Territory At-large | 83 | July 31, 1954 | Joe Farrington (R) | Elizabeth Farrington (R) | Death |
| Georgia 4 | 83 | November 2, 1954 | Albert Camp (D) | John Flynt (D) | Death |
| Michigan 15 | 84 | December 13, 1955 | John D. Dingell, Sr. (D) | John D. Dingell, Jr. (D) | Death |
| Pennsylvania 30 | 84 | Elected January 24, 1956 Started February 8, 1956 |
Vera Buchanan (D) | Elmer J. Holland (D) | Died November 26, 1955 |
| Pennsylvania 2 | 84 | November 6, 1956 | William T. Granahan (D) | Kathryn E. Granahan (D) | Died May 25, 1956 |
| New Mexico At-Large | 85 | April 9, 1957 | Antonio Fernández (D) | Joseph Montoya (D) | Death |
| New Jersey 2 | 85 | November 5, 1957 | T. Millet Hand (R) | Milton W. Glenn (R) | Died December 26, 1956 |
| Pennsylvania 13 | 85 | Elected November 5, 1957 Started January 7, 1958 |
Samuel K. McConnell, Jr. (R) | John A. Lafore, Jr. (R) | Resigned September 1, 1957 to become Executive Director of United Cerebral Palsy |
| Georgia 7 | 85 | January 8, 1958 | Henderson Lanham (D) | Harlan Mitchell (D) | Death (automobile accident) |
| Pennsylvania 21 | 85 | January 21, 1958 | Augustine Kelley (D) | John H. Dent (D) | Died November 20, 1957 |
| Pennsylvania 4 | 85 | Elected May 20, 1958 Started June 4, 1958 |
Earl Chudoff (D) | Robert Nix (D) | Resigned January 5, 1958 upon election as a judge for the Philadelphia Court of Common Pleas. |
| Pennsylvania 17 | 86 | Elected April 26, 1960 Started May 5, 1960 |
Alvin Bush (R) | Herman T. Schneebeli (R) | Died November 5, 1959 |
| Pennsylvania 18 | 86 | Elected April 26, 1960 Started May 5, 1960 |
Richard M. Simpson (R) | Douglas Elliott (R) | Died January 7, 1960 |
| Ohio 6 | 86 | November 8, 1960 | James G. Polk (D) | Ward Miller (R) | Died April 28, 1959 |
| Pennsylvania 18 | 86 | November 8, 1960 | Douglas Elliott (R) | J. Irving Whalley (R) | Died June 19, 1960 |
| Washington 3 | 86 | November 8, 1960 | Russell V. Mack (R) | Julia Butler Hansen (D) | Died March 28, 1960 |
| Arizona 2 | 87 | May 2, 1961 | Stewart Udall (D) | Mo Udall (D) | Resigned upon appointment as United States Secretary of the Interior. |
| Pennsylvania 16 | 87 | May 16, 1961 | Walter M. Mumma (R) | John C. Kunkel (R) | Died February 25, 1961 |
| Louisiana 4 | 87 | December 1961 | Overton Brooks (D) | Joe Waggonner (D) | Death (heart attack) |
| Texas 4 | 87 | January 30, 1962 | Sam Rayburn (D) | Ray Roberts (D) | Death (pancreatic cancer) |
| California 1 | 88 | January 22, 1963 | Clement Miller | Don Clausen (R) | Death (plane crash) |
| California 23 | 88 | June 11, 1963 | Clyde Doyle (D) | Del Clawson (R) | Death |
| Pennsylvania 15 | 88 | July 30, 1963 | Francis E. Walter (D) | Fred B. Rooney (D) | Died May 31, 1963 |
| North Dakota 1 | 88 | October 22, 1963 | Hjalmar Carl Nygaard (R) | Mark Andrews (R) | Death (heart attack) |
| Pennsylvania 23 | 88 | November 5, 1963 | Leon H. Gavin (R) | Albert W. Johnson (R) | Died September 15, 1963 |
| California 37 | 88 | February 18, 1964 | Jack Shelley (D) | Phillip Burton (D) | Resigned upon election as Mayor of San Francisco. |
| Pennsylvania 5 | 88 | April 28, 1964 | William J. Green, Jr. (D) | William J. Green, III (D) | Died December 21, 1963 |
| Oregon 1 | 88 | November 3, 1964 | Walter Norblad (R) | Wendell Wyatt (R) | Death |
| Louisiana 7 | 89 | October 2, 1965[26] | Ashton Thompson (D) | Edwin Edwards (D) | Death |
| Ohio 7 | 89 | November 2, 1965 | Clarence J. Brown (R) | Bud Brown (R) | Died August 23, 1965 |
| California 26 | 89 | December 15, 1965 | James Roosevelt (D) | Tom Rees (D) | Resigned to unsuccessfully run for Mayor of Los Angeles |
| California 14 | 89 | June 7, 1966 | John Baldwin (R) | Jerry Waldie (D) | Death |
| Rhode Island 2 | 90 | March 28, 1967 | John Fogarty (D) | Robert Tiernan (D) | Death |
| California 11 | 90 | December 12, 1967 | Arthur Younger (R) | Pete McCloskey (R) | Death (leukemia) |
| New York 13 | 90 | February 20, 1968 | Abraham Multer (D) | Bert Podell (D) | Resigned upon appointment as a judge for the New York Supreme Court. |
| Mississippi 3 | 90 | March 12, 1968 | John Williams (D) | Charles Griffin (D) | Resigned upon election as Governor of Mississippi. |
| Texas 3 | 90 | August 24, 1968 | Joe Pool (D) | Jim Collins (R) | Death |
| Pennsylvania 20 | 90 | November 5, 1968 | Elmer Holland (D) | Joe Gaydos (D) | Died August 9, 1968 |
| Tennessee 8 | 91 | March 25, 1969 | Fats Everett (D) | Ed Jones (D) | Death |
| Wisconsin 7 | 91 | April 1, 1969 | Melvin Laird (R) | Dave Obey (D) | Resigned upon appointment as United States Secretary of Defense. |
| California 27 | 91 | April 29, 1969 | Ed Reinecke (R) | Barry Goldwater, Jr. (R) | Resigned upon election as Lieutenant Governor of California. |
| Montana 2 | 91 | June 24, 1969 | James Battin (R) | John Melcher (D) | Resigned upon appointment as judge for the United States District Court for the District of Montana. |
| Massachusetts 6 | 91 | September 30, 1969 | Bill Bates (R) | Mike Harrington (D) | Death |
| New Jersey 8 | 91 | November 4, 1969 | Charles Joelson (D) | Bob Roe (D) | Resigned upon appointment as a judge for the New Jersey Superior Court. |
| Illinois 13 | 91 | November 25, 1969 | Donald Rumsfeld (R) | Phil Crane (R) | Resigned upon appointment as director of the Office of Economic Opportunity. |
| California 15 | 91 | June 30, 1970 | Jim Utt (R) | John Schmitz (R) | Death |
| California 24 | 91 | June 30, 1970 | Glen Lipscomb (R) | John Rousselot (R) | Death (colon cancer) |
| Connecticut 2 | 91 | November 3, 1970 | Bill St. Onge (D) | Robert Steele (R) | Death |
| New Jersey 6 | 91 | November 3, 1970 | Bill Cahill (R) | Edwin Forsythe (R) | Resigned upon election as Governor of New Jersey. |
| Ohio 19 | 91 | November 3, 1970 | Mike Kirwan (D) | Charles Carney (D) | Death |
| Pennsylvania 9 | 91 | Elected November 3, 1970 Started November 16, 1970 |
Robert Watkins (R) | John Ware (R) | Died August 7, 1970 (heart attack) |
| Illinois 6 | 91 | December 3, 1970 | Dan Ronan (D) | George Collins (D) | Death |
| South Carolina 1 | 92 | April 27, 1971 | Mendel Rivers (D) | Mendel Davis (D) | Death |
| Maryland 1 | 92 | May 25, 1971 | Rogers Morton (R) | Bill Mills (R) | Resigned upon appointment as United States Secretary of the Interior. |
| Pennsylvania 18 | 92 | November 2, 1971 | Bob Corbett (R) | John Heinz (R) | Died April 25, 1971 |
| Kentucky 6 | 92 | December 4, 1971 | John Watts (D) | Bill Curlin (D) | Death |
| Vermont At-large | 92 | January 7, 1972 | Robert Stafford (R) | Richard Mallary (R) | Resigned upon appointment as U.S. Senator from Vermont. |
| Alabama 3 | 92 | April 4, 1972 | George Andrews (D) | Elizabeth Andrews (D) | Death |
| Illinois 15 | 92 | April 4, 1972 | Charlotte Reid (R) | Cliffard Carlson (R) | Resigned upon appointment to the Federal Communications Commission. |
| Pennsylvania 27 | 92 | April 25, 1972 | Jim Fulton (R) | Bill Conover (R) | Died October 6, 1971 (heart attack) |
| Louisiana 7 | 92 | September 30, 1972 | Edwin Edwards (D) | John Breaux (D) | Resigned upon election as Governor of Louisiana. |
| Virginia 6 | 92 | November 7, 1972 | Richard Poff (R) | Caldwell Butler (R) | Resigned upon appointment to the Supreme Court of Virginia. |
| Alaska At-large | 93 | March 6, 1973 | Nick Begich (D) | Don Young (R) | Death (plane crash) |
| Louisiana 2 | 93 | March 20, 1973 | Hale Boggs (D) | Lindy Boggs (D) | Death (plane crash) |
| Illinois 7 | 93 | June 5, 1973 | George Collins (D) | Cardiss Collins (D) | Death (plane crash) |
| Maryland 1 | 93 | August 21, 1973 | Bill Mills (R) | Bob Bauman (R) | Death (suicide) |
| Pennsylvania 12 | 93 | February 25, 1974 | John Saylor (R) | John Murtha (D) | Died October 28, 1973 (complications from surgery) |
| Michigan 5 | 93 | February 18, 1974 | Gerald Ford (R) | Richard VanderVeen (D) | Resigned upon his appointment as Vice President of the United States. |
| Ohio 1 | 93 | March 5, 1974 | Bill Keating (R) | Tom Luken (D) | Resigned to take a position as president of The Cincinnati Enquirer. |
| Michigan 8 | 93 | April 16, 1974 | James Harvey (R) | Bob Traxler (D) | Resigned upon appointment as a judge for the United States District Court for the Eastern District of Michigan. |
| California 6 | 93 | June 4, 1974 | Bill Mailliard (R) | John Burton (D) | Death (heart attack) |
| California 13 | 93 | June 4, 1974 | Charles Teague (R) | Bob Lagomarsino (R) | Death |
| California 37 | 94 | April 29, 1975 | Jerry Pettis (R) | Shirley Pettis (R) | Death (plane crash) |
| Illinois 5 | 94 | July 8, 1975 | John Kluczynski (D) | John Fary (D) | Death |
| Tennessee 5 | 94 | November 25, 1975 | Dick Fulton (D) | Clifford Allen (D) | Resigned upon election as Mayor of Nashville. |
| New York 39 | 94 | March 2, 1976 | Jim Hastings (R) | Stan Lundine (D) | Resigned upon conviction of bribery and mail fraud. |
| Texas 22 | 94 | April 3, 1976 | Bob Casey (D) | Ron Paul (R) | Resigned upon appointment to the Federal Maritime Commission. |
| Texas 1 | 94 | June 19, 1976 | Wright Patman (D) | Sam Hall (D) | Death |
| Massachusetts 7 | 94 | November 2, 1976 | Torbert MacDonald (D) | Ed Markey (D) | Death |
| Missouri 6 | 94 | November 2, 1976 | Jerry Litton (D) | Earl Coleman (R) | Death (plane crash) |
| Pennsylvania 1 | 94 | November 2, 1976 | Bill Barrett (D) | Ozzie Myers (D) | Died April 12, 1976 |
| Minnesota 7 | 95 | February 22, 1977 | Bob Bergland (DFL) | Arlan Stangeland (R) | Resigned upon appointment as U.S. Secretary of Agriculture. |
| Georgia 5 | 95 | April 6, 1977 | Andrew Young (D) | Wyche Fowler (D) | Resigned upon appointment as United States Ambassador to the United Nations. |
| Washington 7 | 95 | May 17, 1977 | Brock Adams (D) | John Cunningham (R) | Resigned upon appointment as U.S. Secretary of Transportation. |
| Louisiana 1 | 95 | August 27, 1977 | Rick Tonry (D) | Bob Livingston (R) | Resigned upon conviction of taking illegal campaign contributions. |
| New York 18 | 95 | February 14, 1978 | Ed Koch (D) | Bill Green (R) | Resigned upon election as Mayor of New York City. |
| New York 21 | 95 | February 14, 1978 | Herman Badillo (D) | Robert Garcia (D) | Resigned upon appointment as deputy mayor of New York City. |
| California 11 | 96 | April 3, 1979 | Leo Ryan (D) | Bill Royer (R) | Death (assassinated in the Jonestown massacre). |
| Illinois 10 | 96 | January 22, 1980 | Abner Mikva (D) | John Porter (R) | Resigned upon appointment as judge for the United States Court of Appeals for the District of Columbia Circuit. |
| West Virginia 3 | 96 | April 9, 1980 | John Slack (D) | John Hutchinson (D) | Death (heart attack) |
| Pennsylvania 11 | 96 | April 9, 1980 | Dan Flood (D) | Raphael Musto (D) | Resigned after being investigated for bribery. |
| Louisiana 3 | 96 | May 17, 1980 | Dave Treen (R) | Billy Tauzin (D) | Resigned upon election as Governor of Louisiana. |
| Michigan 13 | 96 | November 4, 1980 | Charles Diggs (D) | George Crockett (D) | Resigned after being convicted of mail fraud. |
| Michigan 4 | 97 | April 21, 1981 | David Stockman (R) | Mark Siljander (R) | Resigned upon appointment as director of the Office of Management and Budget. |
| Maryland 5 | 97 | May 19, 1981 | Gladys Spellman (D) | Steny Hoyer (D) | Fell into a permanent coma, resulting in the seat being declared vacant. |
| Ohio 4 | 97 | June 25, 1981 | Tennyson Guyer (R) | Mike Oxley (R) | Death (heart attack) |
| Mississippi 4 | 97 | July 7, 1981 | Jon Hinson (R) | Wayne Dowdy (D) | Resigned after being charged with sodomy for participating in consensual gay sex. |
| Pennsylvania 3 | 97 | July 21, 1981 | Ray Lederer (D) | Joe Smith (D) | Resigned April 29, 1981 upon indictment for his role in the Abscam sting. |
| Connecticut 1 | 97 | January 12, 1982 | Bill Cotter (D) | Barbara Kennelly (D) | Death (cancer) |
| Ohio 17 | 97 | June 29, 1982 | John Ashbrook (R) | Jean Ashbrook (R) | Death (brain hemorrhage) |
| California 30 | 97 | July 13, 1982 | George Danielson (D) | Marty Martinez (D) | Resigned upon appointment as a judge for the Fourth District of the California Courts of Appeal |
| Indiana 1 | 97 | November 2, 1982 | Adam Benjamin (D) | Katie Hall (D) | Death (heart attack) |
| Texas 6 | 98 | February 12, 1983 | Phil Gramm (D) | Phil Gramm (R) | Resigned upon leaving the Democratic Party and won reelection as a Republican. |
| New York 7 | 98 | March 1, 1983 | Ben Rosenthal (D) | Gary Ackerman (D) | Death (cancer) |
| Colorado 6 | 98 | March 29, 1983 | None[27] | Dan Schaefer (R) | Death (cancer) |
| California 5 | 98 | June 21, 1983 | Phillip Burton (D) | Sala Burton (D) | Death (aneurysm) |
| Illinois 1 | 98 | August 23, 1983 | Harold Washington (D) | Charles Hayes (D) | Resigned upon election as Mayor of Chicago. |
| Georgia 7 | 98 | November 8, 1983 | Larry McDonald (D) | Buddy Darden (D) | Death (plane crash) |
| Wisconsin 4 | 98 | April 3, 1984 | Clement Zablocki (D) | Jerry Kleczka (D) | Death (heart attack) |
| Kentucky 7 | 98 | November 6, 1984 | Carl Perkins (D) | Chris Perkins (D) | Death (heart attack) |
| New Jersey 13 | 98 | November 6, 1984 | Edwin Forsythe (R) | Jim Saxton (R) | Died March 29, 1984 (lung cancer) |
| Louisiana 8 | 99 | March 30, 1985 | Gillis Long (D) | Catherine Small Long (D) | Death (heart attack) |
| Texas 1 | 99 | September 4, 1985 | Sam Hall (D) | Jim Chapman (D) | Resigned upon appointment as a judge for the United States District Court for the Eastern District of Texas. |
| New York 6 | 99 | July 10, 1986 | Joe Addabbo (D) | Alton Waldon (D) | Death (cancer) |
| Hawaii 1 | 99 | September 20, 1986 | Cec Heftel (D) | Neil Abercrombie (D) | Resigned to unsuccessfully run for Governor of Hawaii. |
| North Carolina 10 | 99 | November 4, 1986 | Jim Broyhill (R) | Cass Ballenger (R) | Resigned upon appointment as U.S. Senator from North Carolina. |
| California 5 | 100 | June 2, 1987 | Sala Burton (D) | Nancy Pelosi (D) | Death (colon cancer) |
| Connecticut 4 | 100 | August 18, 1987 | Stewart McKinney (R) | Chris Shays (R) | Death (AIDS) |
| Louisiana 4 | 100 | April 16, 1988 | Buddy Roemer (D) | Jim McCrery (R) | Resigned upon election as Governor of Louisiana. |
| Tennessee 5 | 100 | January 19, 1988 | Bill Boner (D) | Bob Clement (D) | Resigned upon election as Mayor of Nashville. |
| Virginia 5 | 100 | June 14, 1988 | Dan Daniel (D) | Lewis Payne (D) | Death (heart attack) |
| Illinois 21 | 100 | August 9, 1988 | Melvin Price (D) | Jerry Costello (D) | Death (cancer) |
| New Jersey 3 | 100 | November 8, 1988 | James Howard (D) | Frank Pallone (D) | Died March 25, 1988 (heart attack) |
| Tennessee 2 | 100 | November 8, 1988 | John Duncan (R) | Jimmy Duncan (R) | Death (prostate cancer) |
| Indiana 4 | 101 | March 28, 1989 | Dan Coats (R) | Jill Long (D) | Resigned after being appointed U.S. Senator from Indiana |
| Alabama 3 | 101 | April 4, 1989 | Bill Nichols (D) | Glen Browder (D) | Death (heart attack) |
| Wyoming At-large | 101 | April 26, 1989 | Dick Cheney (R) | Craig Thomas (R) | Resigned upon appointment as United States Secretary of Defense. |
| Florida 18 | 101 | August 29, 1989 | Claude Pepper (D) | Ileana Ros-Lehtinen (R) | Death (stomach cancer) |
| California 15 | 101 | September 12, 1989 | Tony Coelho (D) | Gary Condit (D) | Resigned due to an investigation on his involvement in the savings and loan crisis. |
| Texas 12 | 101 | September 12, 1989 | Jim Wright (D) | Pete Geren (D) | Resigned due to an investigation on his involvement in the savings and loan crisis. |
| Mississippi 5 | 101 | October 17, 1989 | Larkin Smith (R) | Gene Taylor (D) | Death (plane crash) |
| Texas 18 | 101 | December 9, 1989 | Mickey Leland (D) | Craig Washington (D) | Death (plane crash) |
| New York 14 | 101 | March 20, 1990 | Guy Molinari (R) | Susan Molinari (R) | Resigned upon election as Borough President of Staten Island. |
| New York 18 | 101 | March 20, 1990 | Robert Garcia (D) | Jose Serrano (D) | Resigned upon his indictment for involvement in the Wedtech scandal. |
| Hawaii 2 | 101 | September 22, 1990 | Daniel Akaka (D) | Patsy Mink (D) | Resigned upon appointment as U.S. Senator from Hawaii. |
| New Jersey 1 | 101 | November 6, 1990 | Jim Florio (D) | Rob Andrews (D) | Resigned upon election as Governor of New Jersey. |
| Texas 3 | 102 | May 18, 1991 | Steve Bartlett (R) | Sam Johnson (R) | Resigned upon election as Mayor of Dallas. |
| Massachusetts 1 | 102 | June 4, 1991 | Silvio Conte (R) | John Olver (D) | Death (prostate cancer) |
| Illinois 15 | 102 | July 2, 1991 | Ed Madigan (R) | Tom Ewing (R) | Resigned upon appointment as United States Secretary of Agriculture. |
| Pennsylvania 2 | 102 | November 5, 1991 | Bill Gray (D) | Lucien Blackwell (D) | Resigned to become director of the United Negro College Fund. |
| Virginia 7 | 102 | November 5, 1991 | D. French Slaughter (R) | George Allen (R) | Resigned due to ill health (stroke). |
| Arizona 2 | 102 | September 24, 1991 | Mo Udall (D) | Ed Pastor (D) | Resigned due to ill health (Parkinson's disease). |
| New York 17 | 102 | November 3, 1992 | Ted Weiss (D) | Jerrold Nadler (D) | Death (heart attack) |
| North Carolina 1 | 102 | November 3, 1992 | Walter Jones, Sr. (D) | Eva Clayton (D) | Death (pneumonia) |
| Mississippi 2 | 103 | April 13, 1993 | Mike Espy (D) | Bennie Thompson (D) | Resigned upon appointment as United States Secretary of Agriculture. |
| Wisconsin 1 | 103 | May 4, 1993 | Les Aspin (D) | Peter Barca (D) | Resigned upon appointment as United States Secretary of Defense. |
| Ohio 2 | 103 | May 4, 1993 | Bill Gradison (R) | Rob Portman (R) | Resigned to become president of the Health Insurance Association of America. |
| California 17 | 103 | June 8, 1993 | Leon Panetta (D) | Sam Farr (D) | Resigned upon appointment as director of the Office of Management and Budget. |
| Michigan 3 | 103 | December 7, 1993 | Paul Henry (R) | Vern Ehlers (R) | Death (brain cancer) |
| Oklahoma 6 | 103 | May 10, 1994 | Glenn English (D) | Frank Lucas (R) | Resigned to become vice president of the National Rural Electric Cooperative Association. |
| Kentucky 2 | 103 | May 24, 1994 | William Natcher (D) | Ron Lewis (R) | Death (heart failure) |
| Oklahoma 1 | 103 | November 8, 1994 | Jim Inhofe (R) | Steve Largent (R) | Resigned upon election as U.S. Senator from Oklahoma. |
| California 15 | 104 | December 12, 1995 | Norman Mineta (D) | Tom Campbell (R) | Resigned to become vice president of Lockheed Martin. |
| Illinois 2 | 104 | December 12, 1995 | Mel Reynolds (D) | Jesse Jackson, Jr. (D) | Resigned after being convicted of statutory rape. |
| California 37 | 104 | March 26, 1996 | Walter Tucker (D) | Juanita Millender-McDonald (D) | Resigned due to investigations over extortion and tax evasion. |
| Maryland 7 | 104 | April 16, 1996 | Kweisi Mfume (D) | Elijah Cummings (D) | Resigned to become director of the NAACP. |
| Oregon 3 | 104 | May 21, 1996 | Ron Wyden (D) | Earl Blumenauer (D) | Resigned upon election as U.S. Senator from Oregon. |
| Kansas 2 | 104 | November 5, 1996 | Sam Brownback (R) | Jim Ryun (R) | Resigned upon election as U.S. Senator from Kansas. |
| Missouri 8 | 104 | November 5, 1996 | Bill Emerson (R) | Jo Ann Emerson (R) | Death (cancer) |
| Texas 28 | 105 | April 12, 1997 | Frank Tejeda (D) | Ciro Rodriguez (D) | Death (brain cancer) |
| New Mexico 3 | 105 | May 13, 1997 | Bill Richardson (D) | Bill Redmond (R) | Resigned upon appointment as United States Ambassador to the United Nations. |
| New York 13 | 105 | November 4, 1997 | Susan Molinari (R) | Vito Fossella (R) | Resigned to become anchor of CBS This Morning. |
| New York 6 | 105 | February 3, 1998 | Floyd Flake (D) | Gregory Meeks (D) | Resigned to focus on his ministerial career. |
| California 22 | 105 | March 10, 1998 | Walter Capps (D) | Lois Capps (D) | Death (heart attack) |
| California 9 | 105 | April 7, 1998 | Ron Dellums (D) | Barbara Lee (D) | Resigned to take a position as a lobbyist. |
| California 44 | 105 | April 7, 1998 | Sonny Bono (R) | Mary Bono (R) | Death (skiing accident) |
| Pennsylvania 1 | 105 | May 19, 1998 | Tom Foglietta (D) | Bob Brady (D) | Resigned upon appointment as United States Ambassador to Italy. |
| New Mexico 1 | 105 | June 23, 1998 | Steven Schiff (R) | Heather Wilson (R) | Death (skin cancer) |
| Georgia 6 | 106 | February 23, 1999 | Newt Gingrich (R) | Johnny Isakson (R) | Resigned after the Republican caucus attempted to defeat him for another term as Speaker of the United States House of Representatives due to a poor electoral showing. |
| Louisiana 1 | 106 | May 29, 1999 | Bob Livingston (R) | David Vitter (R) | Resigned upon the discovery of an extramarital affair. |
| California 42 | 106 | November 16, 1999 | George Brown, Jr. (D) | Joe Baca (D) | Death (complications from heart surgery) |
| Pennsylvania 9 | 107 | May 15, 2001 | Bud Shuster (R) | Bill Shuster (R) | Resigned after failing to be reappointed as chair of the House Transportation and Infrastructure Committee. |
| California 32 | 107 | June 5, 2001 | Julian Dixon (D) | Diane Watson (D) | Death (heart attack) |
| Virginia 4 | 107 | June 19, 2001 | Norman Sisisky (D) | Randy Forbes (R) | Death (complications from surgery) |
| Massachusetts 9 | 107 | October 16, 2001 | Joe Moakley (D) | Stephen Lynch (D) | Death (complications from myelodysplastic syndrome) |
| Florida 1 | 107 | October 16, 2001 | Joe Scarborough (R) | Jeff Miller (R) | Resigned to spend more time with his children. |
| Arkansas 3 | 107 | November 20, 2001 | Asa Hutchinson (R) | John Boozman (R) | Resigned upon appointment as director of the Drug Enforcement Administration. |
| South Carolina | 107 | December 18, 2001 | Floyd Spence (R) | Joe Wilson (R) | Death (complications from brain surgery) |
| Oklahoma 1 | 107 | January 8, 2002 | Steve Largent (R) | John Sullivan (R) | Resigned to unsuccessfully run for Governor of Oklahoma |
| Hawaii 2 | 107 | November 30, 2002 | Patsy Mink (D) | Ed Case (D) | Death (pneumonia) |
| Hawaii 2 | 108 | January 4, 2003[28] | Ed Case (D) | Ed Case (D) | After Mink was reelected posthumously, Case was chosen in a special election to fill out the remainder of her term in the 107th Congress. He was elected to complete her 108th Congress term in a second election. |
| Texas 19 | 108 | June 3, 2003 | Larry Combest (R) | Randy Neugebauer (R) | Resigned after the sudden death of his daughter. |
| Kentucky 6 | 108 | February 17, 2004 | Ernie Fletcher (R) | Ben Chandler (D) | Resigned after being elected Governor of Kentucky. |
| South Dakota At-large | 108 | June 1, 2004 | Bill Janklow (R) | Stephanie Herseth (D) | Resigned after being convicted of vehicular manslaughter . |
| North Carolina 1 | 108 | July 20, 2004 | Frank Ballance (D) | G. K. Butterfield (D) | Resigned due to health concerns and ongoing investigations over money laundering and mail fraud. |
| California 5 | 109 | March 8, 2005 | Bob Matsui (D) | Doris Matsui (D) | Death (Pneumonia) |
| Ohio 2 | 109 | August 2, 2005 | Rob Portman (R) | Jean Schmidt (R) | Resigned upon appointment as United States Trade Representative. |
| California 48 | 109 | December 6, 2005 | Christopher Cox (R) | John Campbell (R) | Resigned upon appointment as chairman of the U.S. Securities and Exchange Commission. |
| California 50 | 109 | June 6, 2006 | Randy "Duke" Cunningham (R) | Brian P. Bilbray (R) | Resigned after pleading guilty to tax evasion, conspiracy to commit bribery, mail fraud, and wire fraud. |
| New Jersey 13 | 109 | November 7, 2006 | Bob Menendez (D) | Albio Sires (D) | Resigned after being appointed as United States Senator for New Jersey |
| Texas 22 | 109 | November 7, 2006 | Tom DeLay (R) | Shelley Sekula-Gibbs (R) | Resigned after being indicted for conspiracy to commit election fraud. |
| Georgia 10 | 110 | July 19, 2007 | Charlie Norwood (R) | Paul Broun, Jr. (R) | Death (liver cancer) |
| California 37 | 110 | August 21, 2007 | Juanita Millender-McDonald (D) | Laura Richardson (D) | Death (colorectal cancer) |
| Massachusetts 5 | 110 | October 16, 2007 | Marty Meehan (D) | Niki Tsongas (D) | Resigned after being appointed as the chancellor of the University of Massachusetts Lowell |
| Ohio 5 | 110 | December 11, 2007 | Paul Gillmor (R) | Bob Latta (R) | Death (fell down the stairs) |
| Virginia 1 | 110 | December 11, 2007 | Jo Ann Davis (R) | Rob Wittman (R) | Death (breast cancer) |
| Illinois 14 | 110 | March 8, 2008 | Dennis Hastert (R) | Bill Foster (D) | Resigned to become a lobbyist. |
| Indiana 7 | 110 | March 11, 2008 | Julia Carson (D) | André Carson (D) | Death (lung cancer) |
| California 12 | 110 | April 8, 2008 | Tom Lantos (D) | Jackie Speier (D) | Death (cancer of the esophagus) |
| Louisiana 1 | 110 | May 3, 2008 | Bobby Jindal (R) | Steve Scalise (R) | Resigned to successfully run for Governor of Louisiana |
| Louisiana 6 | 110 | May 3, 2008 | Richard Baker (R) | Don Cazayoux (D) | Resigned to take a lobbyist position with the Managed Funds Association. |
| Mississippi 1 | 110 | May 13, 2008 | Roger Wicker (R) | Travis Childers (D) | Resigned upon appointment as United States Senator for Mississippi. |
| Maryland 4 | 110 | June 17, 2008 | Albert Wynn (D) | Donna Edwards (D) | Resigned after being defeated in the primary by Donna Edwards. |
| Ohio 11 | 110 | November 18, 2008 | Stephanie Tubbs Jones (D) | Marcia Fudge (D) | Death (cerebral hemorrhage) |
| New York 20 | 111 | March 31, 2009 | Kirsten Gillibrand (D) | Scott Murphy (D) | Resigned upon appointment as United States Senator for New York. |
| Illinois 5 | 111[29] | April 7, 2009 | Rahm Emanuel (D) | Michael Quigley (D) | Resigned upon appointment as the White House Chief of Staff. |
| California 32 | 111 | July 14, 2009 | Hilda Solis (D) | Judy Chu (D) | Resigned upon appointment as the United States Secretary of Labor. |
| California 10 | 111 | November 3, 2009 | Ellen Tauscher (D) | John Garamendi (D) | Resigned upon appointment as the Under Secretary of State for Arms Control and International Security Affairs. |
| New York 23 | 111 | November 3, 2009 | John M. McHugh (R) | Bill Owens (D) | Resigned upon appointment as the United States Secretary of the Army. |
| Florida 19 | 111 | April 13, 2010 | Robert Wexler (D) | Ted Deutch (D) | Resigned to become director of the S. Daniel Abraham Center for Middle East Peace. |
| Pennsylvania 12 | 111 | May 18, 2010 | John Murtha (D) | Mark Critz (D) | Died February 8, 2010 (surgical complications) |
| Hawaii 1 | 111 | May 22, 2010 | Neil Abercrombie (D) | Charles Djou (R) | Resigned to successfully run for Governor of Hawaii. |
| Georgia 9 | 111 | June 8, 2010[30] | Nathan Deal (R) | Tom Graves (R) | Resigned to successfully run for Governor of Georgia. |
| Indiana 3 | 111 | November 2, 2010 | Mark Souder (R) | Marlin Stutzman (R) | Resigned after admitting to an affair with one of his part-time female staff members.[31] |
| New York 29 | 111 | November 2, 2010 | Eric Massa (D) | Tom Reed (R) | Resigned due to a pending House Ethics Committee investigation into allegations of sexual misconduct. |
| New York 26 | 112 | May 24, 2011 | Chris Lee (R) | Kathy Hochul (D) | Resigned after being found to have been sexually soliciting at least one woman on Craigslist and emailed a shirtless photo of himself. |
| California 36 | 112 | July 12, 2011 | Jane Harman (D) | Janice Hahn (D) | Resigned to become the director of the Woodrow Wilson International Center for Scholars.[32] |
| Nevada 2 | 112 | September 13, 2011 | Dean Heller (R) | Mark Amodei (R) | Resigned after being appointed as a United States Senator for Nevada. |
| New York 9 | 112 | September 13, 2011 | Anthony Weiner (D) | Bob Turner (R) | Resigned due to the Anthony Weiner sexting scandal. |
| Oregon 1 | 112 | January 31, 2012 | David Wu (D) | Suzanne Bonamici (D) | Resigned due to accusations that he made unwanted sexual advances on the teenage daughter of a campaign donor and friend. |
| Arizona 8 | 112 | June 12, 2012 | Gabby Giffords (D) | Ron Barber (D). | Resigned due to injuries sustained in the 2011 Tucson shooting |
| Kentucky 4 | 112 | November 6, 2012 | Geoff Davis (R) | Thomas Massie (R) | Resigned due to family health issues. |
| Michigan 11 | 112 | November 6, 2012 | Thad McCotter (R) | David Curson (D) | Resigned after failing to qualify for the 2012 Republican primary in his congressional district after massive fraud by his staff resulted in the rejection of approximately 85% of his petition signatures as invalid.[33][34] |
| New Jersey 10 | 112 | November 6, 2012 | Donald M. Payne (D) | Donald Payne, Jr. (D) | Died March 6, 2012 (colon cancer) |
| Washington 1 | 112 | November 6, 2012 | Jay Inslee (D) | Suzan DelBene (D) | Resigned to successfully run for Governor of Washington |
| Illinois 2 | 113 | April 9, 2013 | Jesse Jackson, Jr. (D) | Robin Kelly (D) | Resigned, citing mental and physical health problems, and also acknowledged that he was under two separate investigations by the House Ethics Committee and the FBI.[35] |
| South Carolina 1 | 113 | May 7, 2013 | Tim Scott (R) | Mark Sanford (R) | Resigned when appointed U.S. Senator from South Carolina |
| Missouri 8 | 113 | June 4, 2013 | Jo Ann Emerson (R) | Jason Smith (R) | Resigned to become the president of the National Rural Electric Cooperative Association |
| Louisiana 5 | 113 | November 16, 2013 | Rodney Alexander (R) | Vance McAllister (R) | Resigned to become secretary of the Louisiana Department of Veterans Affairs |
| Massachusetts 5 | 113 | December 10, 2013 | Edward Markey (D) | Katherine Clark (D) | Resigned upon his election as United States Senator from Massachusetts |
| Alabama 1 | 113 | December 17, 2013 | Jo Bonner (R) | Bradley Byrne (R) | Resigned to become the vice chancellor of The University of Alabama |
| Florida 13 | 113 | March 11, 2014 | Bill Young (R) | David Jolly (R) | Death (complications from back surgery) |
| Florida 19 | 113 | June 24, 2014 | Trey Radel (R) | Curt Clawson (R) | Resigned following conviction for cocaine possession |
| North Carolina 12 | 113 | November 4, 2014 | Mel Watt (D) | Alma Adams (D) | Resigned upon appointment as director of the Federal Housing Finance Agency. |
| New Jersey 1 | 113 | November 4, 2014 | Rob Andrews (D) | Donald Norcross (D) | Resigned due to ethics investigation |
| Virginia 7 | 113 | November 4, 2014 | Eric Cantor (R) | David Brat (R) | Resigned after being defeated in the primary by David Brat |
| New York 11 | 114 | May 5, 2015 | Michael Grimm (R) | Daniel M. Donovan, Jr. (R) | Resigned after guilty plea to felony tax evasion |
| Mississippi 1 | 114 | May 12, 2015 | Alan Nunnelee (R) | Trent Kelly (R) | Death (brain cancer) |
| Illinois 18 | 114 | September 10, 2015 | Aaron Schock (R) | Darin LaHood (R) | Resigned due to ethics probe |
| Ohio 8 | 114 | June 7, 2016 | John Boehner (R) | Warren Davidson (R) | Resigned |
| Pennsylvania 2 | 114 | November 8, 2016 | Chaka Fattah (D) | Dwight Evans (D) | Resigned after conviction |
| Hawaii 1 | 114 | November 8, 2016 | Mark Takai (D) | Colleen Hanabusa (D) | Died (pancreatic cancer) |
| Kentucky 1 | 114 | November 8, 2016 | Ed Whitfield (R) | James Comer (R) | Resigned |
| California 34 | 115 | TBD | Xavier Becerra (D) | TBD | Will resign to become Attorney General of California |
| Georgia 6 | 115 | TBD | Tom Price (R) | TBD | Will resign to become United States Secretary of Health and Human Services |
| Kansas 4 | 115 | TBD | Mike Pompeo (R) | TBD | Will resign to become Director of the Central Intelligence Agency |
Summary
In a few instances more than one seat was filled in a single special election, but each seat is counted separately in the list below.
| Congress | Start | End | Special elections | Cumulative total |
|---|---|---|---|---|
| 1st | March 4, 1789 | March 3, 1791 | 2 | 2 |
| 2nd | March 4, 1791 | March 3, 1793 | 6 | 8 |
| 3rd | March 4, 1793 | March 3, 1795 | 8 | 16 |
| 4th | March 4, 1795 | March 3, 1797 | 12 | 28 |
| 5th | March 4, 1797 | March 3, 1799 | 15 | 43 |
| 6th | March 4, 1799 | March 3, 1801 | 11 | 54 |
| 7th | March 4, 1801 | March 3, 1803 | 18 | 72 |
| 8th | March 4, 1803 | March 3, 1805 | 11 | 83 |
| 9th | March 4, 1805 | March 3, 1807 | 16 | 99 |
| 10th | March 4, 1807 | March 3, 1809 | 11 | 110 |
| 11th | March 4, 1809 | March 3, 1811 | 12 | 122 |
| 12th | March 4, 1811 | March 3, 1813 | 7 | 129 |
| 13th | March 4, 1813 | March 3, 1815 | 21 | 150 |
| 14th | March 4, 1815 | March 3, 1817 | 23 | 173 |
| 15th | March 4, 1817 | March 3, 1819 | 17 | 190 |
| 16th | March 4, 1819 | March 3, 1821 | 15 | 205 |
| 17th | March 4, 1821 | March 3, 1823 | 21 | 226 |
| 18th | March 4, 1823 | March 3, 1825 | 11 | 237 |
| 19th | March 4, 1825 | March 3, 1827 | 16 | 253 |
| 20th | March 4, 1827 | March 3, 1829 | 16 | 269 |
| 21st | March 4, 1829 | March 3, 1831 | 14 | 283 |
| 22nd | March 4, 1831 | March 3, 1833 | 9 | 292 |
| 23rd | March 4, 1833 | March 3, 1835 | 23 | 315 |
| 24th | March 4, 1835 | March 3, 1837 | 20 | 335 |
| 25th | March 4, 1837 | March 3, 1839 | 19 | 354 |
| 26th | March 4, 1839 | March 3, 1841 | 18 | 372 |
| 27th | March 4, 1841 | March 3, 1843 | 23 | 395 |
| 28th | March 4, 1843 | March 3, 1845 | 14 | 409 |
| 29th | March 4, 1845 | March 3, 1847 | 13 | 422 |
| 30th | March 4, 1847 | March 3, 1849 | 10 | 432 |
| 31st | March 4, 1849 | March 3, 1851 | 14 | 446 |
| 32nd | March 4, 1851 | March 3, 1853 | 6 | 452 |
| 33rd | March 4, 1853 | March 3, 1855 | 9 | 461 |
| 34th | March 4, 1855 | March 3, 1857 | 9 | 470 |
| 35th | March 4, 1857 | March 3, 1859 | 11 | 481 |
| 36th | March 4, 1859 | March 3, 1861 | 7 | 488 |
| 37th | March 4, 1861 | March 3, 1863 | 20 | 508 |
| 38th | March 4, 1863 | March 3, 1865 | 6 | 514 |
| 39th | March 4, 1865 | March 3, 1867 | 7 (+2 [36]) | 523 |
| 40th | March 4, 1867 | March 3, 1869 | 11 | 534 |
| 41st | March 4, 1869 | March 3, 1871 | 16 | 550 |
| 42nd | March 4, 1871 | March 3, 1873 | 10 | 560 |
| 43rd | March 4, 1873 | March 3, 1875 | 13 | 573 |
| 44th | March 4, 1875 | March 3, 1877 | 16 | 589 |
| 45th | March 4, 1877 | March 3, 1879 | 6 | 595 |
| 46th | March 4, 1879 | March 3, 1881 | 8 | 603 |
| 47th | March 4, 1881 | March 3, 1883 | 16 | 619 |
| 48th | March 4, 1883 | March 3, 1885 | 15 | 634 |
| 49th | March 4, 1885 | March 3, 1887 | 11 | 645 |
| 50th | March 4, 1887 | March 3, 1889 | 8 | 653 |
| 51st | March 4, 1889 | March 3, 1891 | 17 | 670 |
| 52nd | March 4, 1891 | March 3, 1893 | 15 | 685 |
| 53rd | March 4, 1893 | March 3, 1895 | 21 | 706 |
| 54th | March 4, 1895 | March 3, 1897 | 11 | 717 |
| 55th | March 4, 1897 | March 3, 1899 | 13 | 730 |
| 56th | March 4, 1899 | March 3, 1901 | 20 | 750 |
| 57th | March 4, 1901 | March 3, 1903 | 17 | 767 |
| 58th | March 4, 1903 | March 3, 1905 | 14 | 781 |
| 59th | March 4, 1905 | March 3, 1907 | 17 | 798 |
| 60th | March 4, 1907 | March 3, 1909 | 13 | 811 |
| 61st | March 4, 1909 | March 3, 1911 | 13 | 824 |
| 62nd | March 4, 1911 | March 3, 1913 | 15 | 839 |
| 63rd | March 4, 1913 | March 3, 1915 | 19 | 858 |
| 64th | March 4, 1915 | March 3, 1917 | 12 | 870 |
| 65th | March 4, 1917 | March 3, 1919 | 23 | 893 |
| 66th | March 4, 1919 | March 3, 1921 | 24 | 917 |
| 67th | March 4, 1921 | March 3, 1923 | 20 | 937 |
| 68th | March 4, 1923 | March 3, 1925 | 24 | 961 |
| 69th | March 4, 1925 | March 3, 1927 | 11 | 972 |
| 70th | March 4, 1927 | March 3, 1929 | 15 | 987 |
| 71st | March 4, 1929 | March 3, 1931 | 27 | 1,014 |
| 72nd | March 4, 1931 | March 3, 1933 | 24 | 1,038 |
| 73rd | March 4, 1933 | January 3, 1935 | 15 | 1,053 |
| 74th | January 3, 1935 | January 3, 1937 | 10 | 1,063 |
| 75th | January 3, 1937 | January 3, 1939 | 15 | 1,078 |
| 76th | January 3, 1939 | January 3, 1941 | 24 | 1,102 |
| 77th | January 3, 1941 | January 3, 1943 | 19 | 1,121 |
| 78th | January 3, 1943 | January 3, 1945 | 18 | 1,139 |
| 79th | January 3, 1945 | January 3, 1947 | 16 | 1,155 |
| 80th | January 3, 1947 | January 3, 1949 | 19 | 1,174 |
| 81st | January 3, 1949 | January 3, 1951 | 11 | 1,185 |
| 82nd | January 3, 1951 | January 3, 1953 | 15 | 1,200 |
| 83rd | January 3, 1953 | January 3, 1955 | 9 | 1,209 |
| 84th | January 3, 1955 | January 3, 1957 | 5 | 1,214 |
| 85th | January 3, 1957 | January 3, 1959 | 10 | 1,224 |
| 86th | January 3, 1959 | January 3, 1961 | 10 | 1,234 |
| 87th | January 3, 1961 | January 3, 1963 | 12 | 1,246 |
| 88th | January 3, 1963 | January 3, 1965 | 12 | 1,258 |
| 89th | January 3, 1965 | January 3, 1967 | 10 | 1,268 |
| 90th | January 3, 1967 | January 3, 1969 | 6 | 1,274 |
| 91st | January 3, 1969 | January 3, 1971 | 14 | 1,288 |
| 92nd | January 3, 1971 | January 3, 1973 | 10 | 1,298 |
| 93rd | January 3, 1973 | January 3, 1975 | 10 | 1,308 |
| 94th | January 3, 1975 | January 3, 1977 | 10 | 1,318 |
| 95th | January 3, 1977 | January 3, 1979 | 6 | 1,324 |
| 96th | January 3, 1979 | January 3, 1981 | 7 | 1,331 |
| 97th | January 3, 1981 | January 3, 1983 | 9 | 1,340 |
| 98th | January 3, 1983 | January 3, 1985 | 9 | 1,349 |
| 99th | January 3, 1985 | January 3, 1987 | 5 | 1,354 |
| 100th | January 3, 1987 | January 3, 1989 | 8 | 1,362 |
| 101st | January 3, 1989 | January 3, 1991 | 12 | 1,374 |
| 102nd | January 3, 1991 | January 3, 1993 | 6 | 1,380 |
| 103rd | January 3, 1993 | January 3, 1995 | 7 | 1,387 |
| 104th | January 3, 1995 | January 3, 1997 | 6 | 1,393 |
| 105th | January 3, 1997 | January 3, 1999 | 9 | 1,402 |
| 106th | January 3, 1999 | January 3, 2001 | 3 | 1,405 |
| 107th | January 3, 2001 | January 3, 2003 | 9 | 1,414 |
| 108th | January 3, 2003 | January 3, 2005 | 5 | 1,419 |
| 109th | January 3, 2005 | January 3, 2007 | 6 | 1,425 |
| 110th | January 3, 2007 | January 3, 2009 | 13 | 1,438 |
| 111th | January 3, 2009 | January 3, 2011 | 11 | 1,449 |
| 112th | January 3, 2011 | January 3, 2013 | 10 | 1,459 |
| 113th | January 3, 2013 | January 3, 2015 | 11 | 1,470 |
See also
Notes
- ↑ Knotts, H. Gibbs; Ragusa, Jordan (2016). "The Nationalization of Special Elections for the U.S. House of Representatives". Journal of Elections, Public Opinion, and Parties. Taylor & Francis. 26 (1): 22–39. doi:10.1080/17457289.2015.1063497.
- ↑ For elections prior to 1901, the date of election was not typically recorded, so the date the Representative was seated is provided.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 Date of election [source: United States Congressional Elections, 1788-1997: The Official Results, by Michael J. Dubin (McFarland and Company, 1998)].
- 1 2 Date of start of term (source: OurCampaigns)
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Congressman-elect, who served after the start of the Congress but vacated the seat without being sworn in.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 Date given for the start of the term, of the person elected at the special election (source: Congressional Biographical Directory). In some cases this is clearly wrong as the date of the legal start of the Congress is given, even though the member was elected at a later date.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Representative-elect, who vacated the seat before the start of the Congress.
- ↑ MD-7 12th C.: The vacancies, for the remainder of the 11th Congress and the whole of the 12th Congress, were both filled by one ballot. This was the first of three examples of this method being used in Congressional special elections.
- ↑ NY-15 13th C.: Bowers election was challenged by Isaac Williams, Jr. (D-R). Williams was seated in place of Bowers on December 20, 1813.
- ↑ NH-AL 13th C.: Samuel Smith resigned on May 21, 1814 (although the resignation is not mentioned in the Congressional Biographical Directory). At the special election no candidate received the more than 50% of the votes required to be elected. The seat appears to have been left vacant for the remainder of the Congress.
- ↑ NJ-AL 13th C.: Jacob Hufty was elected from the 3rd District, but by the time of the special election the legislature had reinstated at-large elections. This was the second of three cases when the special election was held on a different basis than the general election.
- ↑ MA-10 18th C.: Bailey had presented credentials as a Member-elect, but the election was contested on the ground that he was not a resident of the district he purported to represent, and the House declared he was not entitled to the seat. He returned to a home in the district and was subsequently elected. See Bioguide.
- ↑ Edward Tattnall, who previously represented Georgia At-large in the U.S. House of Representatives, was re-elected in the First district, but died before the beginning of the next Congress.
- ↑ In the 1826 elections, there was a tie vote in the 2nd district, as a result, there was no winner and a second election was held in 1827
- ↑ After his initial election, Sutherland resigned to accept a judicial position, but then subsequently resigned from that position and ran, successfully, in the special election called as a result of his own resignation
- ↑ George W. Towns was installed on January 5, 1846 after Representative-elect Washington Poe never took seat. Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
- ↑ Gilliam died before taking office, necessitating the Nov. 26 special election.
- ↑ Alexander H. Stephens was installed on December 1, 1873 after Representative-elect Ambrose R. Wright died before taking seat. Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
- ↑ Benjamin Harvey Hill was installed on May 5, 1875 after Representative-elect Garnett McMillan died before taking office. Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
- ↑ Democrat George A. La Dow was elected, but died before Congress convened.
- ↑ William A. Pirce was declared the winner of the 1884 election, but his seat was later declared vacant due to election irregularities
- ↑ The seat was declared vacant due to failure of candidates to attain majority of the vote
- ↑ James Black succeeded himself to fill a vacancy he caused. Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
- ↑ Democrat Brigham Henry Roberts was elected, but was not allowed to take office because he practiced polygamy.
- ↑ James Wickersham (R) contested Charles August Sulzer's (D) election to the 66th U.S. Congress, however Sulzer died on April 28 before the issue was settled. Wickersham was later declared the winner of the 1918 election after a long drawn out recount and seated on March 1, 1921.
- ↑ "LA District 7 Special Runoff Race".
- ↑ District created following the 1980 Census. Republican Jack Swigert died before taking office.
- ↑ Democrat Patsy Mink had been re-elected posthumously in the November 2002 election. Ed Case (D) was elected in a special election on November 30, 2002 to fill out her term in the 107th Congress and again on January 4, 2003 to fill out her term in the 108th Congress.
- ↑ Rahm Emanuel resigned in the 110th Congress, but the special election was not held until the 111th congress.
- ↑ The special election for Georgia's 9th district was scheduled for May 18, 2010, but since no candidate received 50% of the vote, a runoff was held June 8, 2010.
- ↑ Souder to resign, Goshen News, 2010 May 18 (accessed 2010 May 18).
- ↑ "The Fix - Jane Harman to resign from Congress". Washington Post. February 7, 2011.
- ↑ Spangler, Todd; Gray, Kathleen; Laitner, Bill (June 2, 2012). "McCotter ends write-in campaign for re-election". Detroit Free-Press. Retrieved 2012-06-02.
- ↑ Lange, Amy. "AG announces charges against 4 after McCotter petition mess". WJBK Fox 2. Retrieved 17 August 2012.
- ↑ Camia, Catalina; Davis, Susan (November 21, 2012). "Jesse Jackson Jr. to resign from Congress". USA Today. Retrieved 21 November 2012.
- ↑ The two additional special elections were held in states which had not then been re-admitted to representation in Congress, after the Civil War. Those elections were rejected by the House of Representatives.
Sources and external links
- United States Congressional Elections, 1788-1997: The Official Results, by Michael J. Dubin (McFarland and Company, 1998)
- Vacancies in the current Congress, via clerk.house.gov
- List of members for 101st-present, via clerk.house.gov
- Biographical Directory of the United States Congress 1774 - 2005 Contains complete listing of all Congresses
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