| Name | Held Office | Political Party |
|---|---|---|
| Thomas Johnson | Mar 21, 1777 Nov 12, 1779 |
None |
| William Paca | Nov 22, 1782 Nov 26, 1785 |
None |
| William Smallwood | Nov 26, 1785 Nov 24, 1788 |
None |
| John Eager Howard | Nov 24, 1788 Nov 14, 1791 |
Federalist |
| George Plater | Nov 14, 1791 Feb 13, 1792 |
None |
| James Brice | Feb 13, 1792 Apr 5, 1792 |
Federalist |
| Thomas Sim Lee | Apr 5, 1792 Nov 14, 1794 |
Federalist |
| John Hoskins Stone | Nov 14, 1794 Nov 17, 1797 |
Federalist |
| John Henry | Nov 17, 1797 Nov 14, 1798 |
Democratic Republican |
| Benjamin Ogle | Nov 14, 1798 Nov 10, 1801 |
Federalist |
| John Francis Mercer | Nov 10, 1801 Nov 13, 1803 |
Democratic Republican |
| Robert Wright | Nov 12, 1806 Jun 9, 1809 |
Democratic Republican |
| Edward Lloyd | Jun 9, 1809 Nov 16, 1811 |
Democratic Republican |
| Robert Bowie | Nov 16, 1811 Nov 25, 1812 |
Democratic Republican |
| Levin Winder | Nov 25, 1812 Jan 2, 1816 |
Federalist |
| Charles Carnan Ridgely | Jan 2, 1816 Jan 8, 1819 |
Federalist |
| Charles Goldsborough | Jan 8, 1819 Dec 20, 1819 |
Federalist |
| Samuel Sprigg | Dec 20, 1819 Dec 16, 1822 |
Democratic |
| Samuel Stevens, Jr. | Dec 16, 1822 Jan 9, 1826 |
Democratic |
| Joseph Kent | Jan 9, 1826 Jan 15, 1829 |
Democratic Republican |
| Thomas King Carroll | Jan 15, 1830 Jan 13, 1831 |
Democratic |
| Daniel Martin | Jan 13, 1831 Jul 11, 1831 |
National Republican |
| George Howard | Jul 11, 1831 Jan 17, 1833 |
National Republican |
| James Thomas | Jan 17, 1833 Jan 14, 1836 |
Whig |
| Thomas W. Veazey | Jan 14, 1836 Jan 7, 1839 |
Whig |
| William Grason | Jan 7, 1839 Jan 3, 1842 |
Democratic |
| Francis Thomas | Jan 3, 1842 Jan 6, 1845 |
Democratic |
| Thomas G. Pratt | Jan 6, 1845 Jan 3, 1848 |
Whig |
| Phillip F. Thomas | Jan 3, 1848 Jan 6, 1851 |
Democratic |
| Enoch Louis Lowe | Jan 6, 1851 Jan 11, 1854 |
Democratic |
| Thomas W. Ligon | Jan 11, 1854 Jan 13, 1858 |
Democratic |
| Thomas H. Hicks | Jan 13, 1858 Jan 8, 1862 |
American then Republican |
| Augus Bradford | Jan 8, 1862 Jan 10, 1866 |
Unionist |
| Thomas Swann | Jan 10, 1866 Jan 13, 1869 |
Democratic |
| Oden Bowie | Jan 13, 1869 Jan 10, 1872 |
Democratic |
| William Pinkney Whyte | Jan 10, 1872 Mar 4, 1874 |
Democratic |
| James B. Groome | Mar 4, 1874 Jan 12, 1876 |
Democratic |
| John Lee Carroll | Jan 12, 1876 Jan 14, 1880 |
Democratic |
| William T. Hamilton | Jan 14, 1880 Jan 9, 1884 |
Democratic |
| Robert Milligan McLane | Jan 9, 1884 Mar 27, 1885 |
Democratic |
| Henry Lloyd | Mar 27, 1885 Jan 11, 1888 |
Democratic |
| Elihu Emory Jackson | Jan 11, 1888 Jan 13, 1892 |
Democratic |
| Frank Brown | Jan 13, 1892 Jan 8, 1896 |
Democratic |
| Lloyd Lowndes, Jr. | Jan 8, 1896 Jan 10, 1900 |
Republican |
| John Walter Smith | Jan 10, 1900 Jan 13, 1904 |
Democratic |
| Edwin Warfield | Jan 13, 1904 Jan 8, 1908 |
Democratic |
| Austin Lane Crothers | Jan 8, 1908 Jan 10, 1912 |
Democratic |
| Phillips Lee Goldsborough | Jan 10, 1912 Jan 12, 1916 |
Republican |
| Emerson C. Harrington | Jan 12, 1916 Jan 14, 1920 |
Democratic |
| Albert C. Ritchie | Jan 14, 1920 Jan 9, 1935 |
Democratic |
| Harry W. Nice | Jan 9, 1935 Jan 11, 1939 |
Republican |
| Herbert R. O'Conorr | Jan 11, 1939 Jan 3, 1947 |
Democratic |
| William Preston Lane, Jr. | Jan 3, 1947 Jan 10, 1951 |
Democratic |
| Theodore R. McKeldin | Jan 10, 1951 Jan 14, 1959 |
Republican |
| J. Millard Tawes | Jan 14, 1959 Jan 25, 1967 |
Democratic |
| Spiro Agnew | Jan 25, 1967 Jan 7, 1969 |
Republican |
| Marvin Mandel | Jan 7, 1969 Jan 17, 1979 |
Democratic |
| Blair Lee III | Jun 4, 1977 Jan 15, 1979 |
Democratic |
| Harry R. Hughes | Jan 17, 1979 Jan 20, 1987 |
Democratic |
| William Donald Schaefer | Jan 20, 1987 Jan 18, 1995 |
Democratic |
| Parris N. Glendening | Jan 18, 1995 Jan 15, 2003 |
Democratic |
| Robert L. Ehrlich | Jan 15, 2003 Jan 17, 2007 |
Republican |
| Martin O'Malley | Jan 17, 2007 Incumbent |
Democratic |
