I
| Representative | Party | District | Years | District home | Note |
|---|---|---|---|---|---|
| Peter Ihrie, Jr. | Jacksonian | 8th | October 13, 1829 – March 4, 1833 | ||
| Charles J. Ingersoll | Democratic-Republican | 1st | March 4, 1813 – March 4, 1815 | Philadelphia | |
| Democratic | 3rd | March 4, 1841 – March 4, 1843 | |||
| 4th | March 4, 1843 – March 4, 1849 | ||||
| Joseph R. Ingersoll | Anti-Jacksonian | 2nd | March 4, 1835 – March 4, 1837 | Philadelphia | |
| Whig | October 12, 1841 – March 4, 1849 | ||||
| Samuel D. Ingham | Democratic-Republican | 6th | March 4, 1813 – July 6, 1818 | Resigned | |
| October 8, 1822 – March 4, 1823 | |||||
| Alexander Irvin | Whig | 24th | March 4, 1847 – March 4, 1849 | ||
| James Irvin | Whig | 14th | March 4, 1841 – March 4, 1843 | ||
| 17th | March 4, 1843 – March 4, 1845 | ||||
| William Irvine | Anti-Administration | At-large | March 4, 1793 – March 4, 1795 | ||
| Jared Irwin | Democratic-Republican | 10th | March 4, 1813 – March 4, 1817 | ||
| Thomas Irwin | Jacksonian | 14th | March 4, 1829 – March 4, 1831 | ||
| William W. Irwin | Whig | 22nd | March 4, 1841 – March 4, 1843 |
Read more about this topic: List Of United States Representatives From Pennsylvania