List of former members of the United States House of Representatives (Y) Number of years/terms representative/delegate has served Number of years/terms representative/delegate has served

| Representative | Years | State_ | Party | Lifespan |
|---|---|---|---|---|
| Bartlett Yancey | 1813–1817 | North Carolina | Democratic-Republican | 1785–1828 |
| Joel Yancey | 1827–1831 | Kentucky | Democratic | 1773–1838 |
| William Lowndes Yancey | 1844–1846 | Alabama | Democratic | 1814–1863 |
| George L. Yaple | 1883–1885 | Michigan | Democratic | 1851–1939 |
| Robert Morris Yardley | 1887–1891 | Pennsylvania | Republican | 1850–1902 |
| John B. Yates | 1815–1817 | New York | Democratic-Republican | 1784–1836 |
| Richard Yates | 1851–1855 | Illinois | Whig | 1815–1873 |
| Richard Yates | 1919–1933 | Illinois | Republican | 1860–1936 |
| Sidney R. Yates | 1949–1963 1965–1999 | Illinois | Democratic | 1909–2000 |
| Gus Yatron | 1969–1993 | Pennsylvania | Democratic | 1927–2003 |
| George Helm Yeaman | 1862–1865 | Kentucky | Unionist | 1829–1908 |
| Jesse Johnson Yeates | 1875–1879 1881 | North Carolina | Democratic | 1829–1892 |
| Archibald Yell | 1836–1839 1845–1846 | Arkansas | Democratic | 1797–1847 |
| C. H. Yoakum | 1895–1897 | Texas | Democratic | 1849–1909 |