Columns: Member-elect | Party | District | Election date | Congress | Reason for non-seating
Augustus F. Allen | Democratic | NY-33 | November 3, 1874 | 44th | Died January 22, 1875 | Andrew J. Campbell | Republican | NY-10 | November 5, 1894 | 54th | Died December 6, 1894 | John Cantine | Democratic-Republican | NY-7 | April 27 to 29, 1802 | 8th | elected, but declined to take office | William Dowse | Federalist | NY-15 | December 15 to 17, 1812 | 13th | died on February 18, 1813 | Richard P. Giles | Democratic | MO-1 | November 3, 1896 | 55th | Died November 17, 1896 | Samuel Marx | Democratic | NY-19 | November 7, 1922 | 68th | Died November 30, 1922 | Washington Poe | Whig | GA-3 | November 5, 1844 | 29th | Resigned before taking office | Jack Swigert | Republican | CO-6 | November 2, 1982 | 98th | Died before taking office