| nowrap | |- ! | George L. Kinnard | | Jacksonian | 1833 | | Incumbent died November 26, 1836.New member elected January 2, 1837.Anti-Jacksonian gain.Successor seated January 25, 1837.Successor also later elected to the next term, see below. | nowrap | |} 25th Congress |- ! | Francis J. Harper | | Democratic | 1836 | | Incumbent died March 18, 1837, having just been seated as a new member.New member elected June 29, 1837.Whig gain.Successor seated September 4, 1837. | nowrap | |- ! rowspan=2 | | John F. H. Claiborne | | Democratic | 1835 | rowspan=2 | Mississippi elected its members in November of odd numbered years (after the beginning of the congressional term). As Congress had been called to meet in September, the governor issued writs for a special election to fill vacancies until the regular election.Incumbents re-elected July 18, 1837.Democratic hold.Incumbent successors presented their credentials and were seated September 4, 1837.At their request the question of the validity of their election was referred to the Committee on Elections. The House decided October 3, 1837, they had been elected for the full term. | rowspan=2 nowrap | |- | Samuel J. Gholson | | Democratic | 1836 |- ! | James I. Standifer | | Whig | 18231825 1827 1829 | | Incumbent died August 20, 1837.New member elected September 14, 1837.Whig hold.Successor seated October 6, 1837. | nowrap | |- ! | Andrew W. Loomis | | Whig | 1836 | | Incumbent resigned October 20, 1837.New member elected November 30, 1837.Whig hold.Successor seated December 20, 1837. | nowrap | |} Alabama |- ! |- ! |- ! |- ! |- ! |} Arkansas 24th Congress The new state of Arkansas was admitted to the Union on June 15, 1836, and elected its sole at-large member August 1, 1836. He was seated December 5, 1836, to finish the term that would end the following March. |- ! | colspan=3 | New seat | | New member elected.Jacksonian gain.Same member also later elected to the next term, see below. | nowrap | |} 25th Congress Arkansas elected its member October 2, 1837, this time for a full term. |- ! | Archibald Yell | 1836 | | Jacksonian | Incumbent re-elected. | nowrap | |} Connecticut Connecticut went from six at-large seats to six districts for the first time. Elections were held April 3,