| Name | Held Office | Political Party |
|---|---|---|
| John McKinly | Feb 12, 1777 Sep 22, 1777 |
none |
| Thomas McKean | Sep 22, 1777 Oct 20, 1777 |
none |
| George Read | Oct 20, 1777 Mar 31, 1778 |
none |
| Caesar Rodney | Mar 31, 1778 Nov 6, 1781 |
none |
| John Dickinson | Nov 13, 1781 Nov 4, 1782 |
none |
| John Cook | Nov 4, 1782 Feb 1, 1783 |
none |
| Nicholas Van Dyke | Feb 1, 1783 Oct 27, 1786 |
none |
| Thomas Collins | Oct 27, 1786 Mar 29, 1789 |
none |
| Jehu Davis | Mar 29, 1789 Jun 2, 1789 |
none |
| Joshua Clayton | Jan 15, 1793 Jan 19, 1796 |
Federalist |
| Gunning Bedford, Sr. | Jan 19, 1796 Sep 28, 1797 |
Federalist |
| Daniel Rogers | Sep 28, 1797 Jan 15, 1799 |
Federalist |
| Richard Bassett | Jan 15, 1799 Feb 20, 1801 |
Federalist |
| James Sykes, Jr. | Mar 4, 1801 Jan 19, 1802 |
Federalist |
| David Hall | Jan 19, 1802 Jan 15, 1805 |
Democratic Republican |
| Nathaniel Mitchell | Jan 15, 1805 Jan 19, 1808 |
Federalist |
| George Truitt | Jan 19, 1808 Jan 15, 1811 |
Federalist |
| Daniel Rodney | Jan 18, 1814 Jan 21, 1817 |
Federalist |
| John Clark | Jan 21, 1817 Jan 15, 1820 |
Federalist |
| Jacob Stout | Jan 18, 1820 Jan 16, 1821 |
Federalist |
| John Collins | Jan 16, 1821 Apr 16, 1822 |
Democratic Republican |
| Caleb Rodney | Apr 23, 1822 Jan 21, 1823 |
Federalist |
| Joseph Haslet | Jan 21, 1823 Jun 20, 1823 |
Democratic Republican |
| Charles Thomas | Jun 24, 1823 Jan 20, 1824 |
Democratic Republican |
| Samuel Paynter | Jan 20, 1824 Jan 16, 1827 |
Federalist |
| David Hazzard | Jan 19, 1830 Jan 15, 1833 |
National Republican |
| Caleb P. Bennett | Jan 15, 1833 Jul 11, 1836 |
Democratic |
| Charles Polk, Jr. | Jul 11, 1836 Jan 17, 1837 |
Whig |
| Cornelius P. Comegys | Jan 17, 1837 Jan 19, 1841 |
Whig |
| William B. Cooper | Jan 19, 1841 Jan 21, 1845 |
Whig |
| Thomas Stockton | Jan 21, 1845 Mar 2, 1846 |
Whig |
| Joseph Maull | Mar 2, 1846 May 3, 1846 |
Whig |
| William Temple | May 6, 1846 Jan 19, 1847 |
Whig |
| William Tharp | Jan 19, 1847 Jan 21, 1851 |
Democratic |
| William H. H. Ross | Jan 21, 1851 Jan 14, 1855 |
Democratic |
| Peter F. Causey | Jan 14, 1855 Jan 18, 1859 |
American |
| William Burton | Jan 18, 1859 Jan 20, 1863 |
Democratic |
| William Cannon | Jan 20, 1863 Mar 1, 1865 |
Republican |
| Gove Saulsbury | Mar 1, 1865 Jan 17, 1871 |
Democratic |
| James Ponder | Jan 17, 1871 Jan 19, 1875 |
Democratic |
| John P. Cochran | Jan 19, 1875 Jan 21, 1879 |
Democratic |
| John W. Hall | Jan 21, 1879 Jan 16, 1883 |
Democratic |
| Charles C. Stockley | Jan 16, 1883 Jan 18, 1887 |
Democratic |
| Benjamin T. Biggs | Jan 18, 1887 Jan 20, 1891 |
Democratic |
| Robert J. Reynolds | Jan 20, 1891 Jan 15, 1895 |
Democratic |
| Joshua H. Marvil | Jan 15, 1895 Apr 8, 1895 |
Republican |
| William T. Watson | Apr 8, 1895 Jan 19, 1897 |
Democratic |
| Ebe W. Tunnell | Jan 19, 1897 Jan 15, 1901 |
Democratic |
| John Hunn | Jan 15, 1901 Jan 17, 1905 |
Republican |
| Preston Lea | Jan 17, 1905 Jan 19, 1909 |
Republican |
| Simeon S. Pennewill | Jan 19, 1909 Jan 21, 1913 |
Republican |
| Charles R. Miller | Jan 21, 1913 Jan 16, 1917 |
Republican |
| John G. Townsend, Jr. | Jan 16, 1917 Jan 18, 1921 |
Republican |
| William D. Denney | Jan 18, 1921 Jan 20, 1925 |
Republican |
| Robert P. Robinson | Jan 20, 1925 Jan 15, 1929 |
Republican |
| C. Douglass Buck | Jan 15, 1929 Jan 19, 1937 |
Republican |
| Richard C. McMullen | Jan 19, 1937 Jan 21, 1941 |
Democratic |
| Walter W. Bacon | Jan 21, 1941 Jan 18, 1949 |
Republican |
| J. Caleb Boggs | Jan 20, 1953 Dec 30, 1960 |
Republican |
| David P. Buckson | Dec 30, 1960 Jan 17, 1961 |
Republican |
| Elbert N. Carvel | Jan 17, 1961 Jan 19, 1965 |
Democratic |
| Charles L. Terry, Jr. | Jan 19, 1965 Jan 21, 1969 |
Democratic |
| Russell W. Peterson | Jan 21, 1969 Jan 16, 1973 |
Republican |
| Sherman W. Tribbitt | Jan 16, 1973 Jan 18, 1977 |
Democratic |
| Pierre S. du Pont, IV | Jan 18, 1977 Jan 15, 1985 |
Republican |
| Michael N. Castle | Jan 15, 1985 Dec 31, 1992 |
Republican |
| Dale E. Wolf | Dec 31, 1992 Jan 19, 1993 |
Republican |
| Thomas R. Carper | Jan 19, 1993 Jan 3, 2001 |
Democratic |
| Ruth Ann Minner | Jan 3, 2001 Jan 20, 2009 |
Democratic |
| Jack A. Markell | Jan 20, 2009 Incumbant |
Democratic |
