| Member Name | Birth Death |
| Edwin Hurd CONGER, Congress, IA (1843-1907) | 1843-1907 |
| Bruce BRALEY, Congress, IA (1957) | 1957 |
| Nathaniel Cobb DEERING, Congress, IA (1827-1887) | 1827-1887 |
| James Perry CONNER, Congress, IA (1851-1924) | 1851-1924 |
| James Edward BROMWELL, Congress, IA (1920-2009) | 1920-2009 |
| Lester Jesse DICKINSON, Congress, IA (1873-1968) | 1873-1968 |
| Maurice CONNOLLY, Congress, IA (1877-1921) | 1877-1921 |
| Smith Wildman BROOKHART, Congress, IA (1869-1944) | 1869-1944 |
| Augustus Caesar DODGE, Congress, IA (1812-1883) | 1812-1883 |
| Theodore Weld BURDICK, Congress, IA (1836-1898) | 1836-1898 |
| Grenville Mellen DODGE, Congress, IA (1831-1916) | 1831-1916 |
| John Calhoun COOK, Congress, IA (1846-1920) | 1846-1920 |
| Walter Halben BUTLER, Congress, IA (1852-1931) | 1852-1931 |
| James Isaac DOLLIVER, Congress, IA (1894-1978) | 1894-1978 |
| John Parsons COOK, Congress, IA (1817-1872) | 1817-1872 |
| Ed Hoyt CAMPBELL, Congress, IA (1882-1969) | 1882-1969 |
| Jonathan Prentiss DOLLIVER, Congress, IA (1858-1910) | 1858-1910 |
| Lucien Lester AINSWORTH, Congress, IA (1831-1902) | 1831-1902 |
| Aylett Rains COTTON, Congress, IA (1826-1912) | 1826-1912 |
| Cyrus Clay CARPENTER, Congress, IA (1829-1898) | 1829-1898 |
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