| Name | Held Office | Political Party |
|---|---|---|
| Shadrach Bond | Oct 6, 1818 Dec 5, 1822 |
Democratic Republican |
| Edward Coles | Dec 5, 1822 Dec 6, 1826 |
Democratic Republican |
| Ninian Edwards | Dec 6, 1826 Dec 6, 1830 |
Democratic Republican |
| John Reynolds | Dec 6, 1830 Nov 17, 1834 |
Democratic |
| William Lee Davidson Ewing | Nov 17, 1834 Dec 3, 1834 |
Democratic |
| Joseph Duncan | Dec 3, 1834 Dec 7, 1838 |
Democratic |
| Thomas Carlin | Dec 7, 1838 Dec 8, 1842 |
Democratic |
| Thomas Ford | Dec 8, 1842 Dec 9, 1846 |
Democratic |
| Augus C. French | Dec 9, 1846 Jan 10, 1853 |
Democratic |
| Joel Aldrich Matteson | Jan 10, 1853 Jan 12, 1857 |
Democratic |
| William Henry Bissell | Jan 12, 1857 Mar 18, 1860 |
Republican |
| John Wood | Mar 18, 1860 Jan 14, 1861 |
Republican |
| John M. Palmer | Jan 11, 1869 Jan 13, 1873 |
Republican |
| John Lourie Beveridge | Jan 23, 1873 Jan 8, 1877 |
Republican |
| Shelby Moore Cullom | Jan 8, 1877 Feb 16, 1883 |
Republican |
| John Marshall Hamilton | Feb 16, 1883 Jan 30, 1885 |
Republican |
| Richard J. Oglesby | Jan 30, 1885 Jan 14, 1889 |
Republican |
| Joseph W. Fifer | Jan 14, 1889 Jan 10, 1893 |
Republican |
| John Peter Altgeld | Jan 10, 1893 Jan 11, 1897 |
Democratic |
| John R. Tanner | Jan 11, 1897 Jan 14, 1901 |
Republican |
| Richard Yates | Jan 14, 1901 Jan 9, 1905 |
Republican |
| Charles S. Deneen | Jan 9, 1905 Feb 3, 1913 |
Republican |
| Edward F. Dunne | Feb 3, 1913 Jan 8, 1917 |
Democratic |
| Frank O. Lowden | Jan 8, 1917 Jan 10, 1921 |
Republican |
| Len Small | Jan 10, 1921 Jan 14, 1929 |
Republican |
| Louis L. Emmerson | Jan 14, 1929 Jan 9, 1933 |
Republican |
| Henry Horner | Jan 9, 1933 Oct 6, 1940 |
Democratic |
| John H. Stelle | Oct 6, 1940 Jan 13, 1941 |
Democratic |
| Dwight H. Green | Jan 13, 1941 Jan 10, 1949 |
Republican |
| Adlai E. Stevenson II | Jan 10, 1949 Jan 12, 1953 |
Democratic |
| William G. Stratton | Jan 12, 1953 Jan 9, 1961 |
Republican |
| Otto Kerner, Jr. | Jan 9, 1961 May 21, 1968 |
Democratic |
| Samuel H. Shapiro | May 21, 1968 Jan 13, 1969 |
Democratic |
| Richard Buell Ogilvie | Jan 13, 1969 Jan 8, 1973 |
Republican |
| Daniel Walker | Jan 8, 1973 Jan 10, 1977 |
Democratic |
| James R. Thompson | Jan 10, 1977 Jan 14, 1991 |
Republican |
| James Edgar | Jan 14, 1991 Jan 11, 1999 |
Republican |
| George H. Ryan | Jan 11, 1999 Jan 13, 2003 |
Republican |
| Rod R. Blagojevich | Jan 13, 2003 Jan 29, 2009 |
Democratic |
| Patrick Joseph Quinn | Jan 29, 2009 Incumbent |
Democratic |
