List of United States Senators from Maryland
Maryland ratified the Constitution on April 28 1788Class 1
| Senator | Party | From | To |
|---|---|---|---|
| Charles Carroll | Federalist | 1789 | 1792 |
| Richard Potts | Federalist | 1793 | 1796 |
| John E. Howard | Federalist | 1796 | 1803 |
| Samuel Smith | Democrat | 1803 | 1815 |
| Robert G. Harper | Federalist | 1816 | |
| Alexander C. Hanson | Federalist | 1816 | 1819 |
| William Pinkney | Democrat | 1819 | 1822 |
| Samuel Smith | Democrat | 1822 | 1833 |
| Joseph Kent | National Republican, Whig | 1833 | 1837 |
| William D. Merrick | Whig | 1838 | 1845 |
| Reverdy Johnson | Whig | 1845 | 1849 |
| David Stewart | Whig | 1849 | 1850 |
| Thomas G. Pratt | Whig, Democrat | 1850 | 1857 |
| Kennedy Anthony | Unionist | 1857 | 1863 |
| Johnson Reverdy | Union Democrat | 1863 | 1868 |
| William P. Whyte | Democrat | 1868 | 1869 |
| William T. Hamilton | Democrat | 1869 | 1875 |
| William P. Whyte | Democrat | 1875 | 1881 |
| Arthur P. Gorman | Democrat | 1881 | 1899 |
| Louis E. McComas | Republican | 1899 | 1905 |
| Isidor Rayner | Democrat | 1905 | 1912 |
| William P. Jackson | Republican | 1912 | 1914 |
| Blair Lee | Democrat | 1914 | 1917 |
| Joseph I. France | Republican | 1917 | 1923 |
| William C. Bruce | Democrat | 1923 | 1929 |
| Phillips Lee Goldsborough | Republican | 1929 | 1935 |
| George W. Radcliffe | Democrat | 1935 | 1947 |
| Herbert R. O'Conor | Democrat | 1947 | 1953 |
| J. Glenn Beall | Republican | 1953 | 1965 |
| Joseph D. Tydings | Democrat | 1965 | 1971 |
| J. Glenn Beall, Jr | Republican | 1971 | 1977 |
| Paul S. Sarbanes | Democrat | 1977 |
Class 3
| Senator | Party | From | To |
|---|---|---|---|
| John Henry | Federalist | 1789 | 1797 |
| James Lloyd | Federalist | 1797 | 1800 |
| William Hindman | Federalist | 1800 | 1801 |
| Robert Wright | Democrat | 1801 | 1806 |
| Philip Reed | Democrat | 1806 | 1813 |
| Robert H. Goldsborough | Federalist | 1813 | 1819 |
| Edward Lloyd | Democrat | 1819 | 1826 |
| Ezekiel F. Chambers | National Republican | 1826 | 1834 |
| Robert H. Goldsborough | National Republican | 1835 | 1836 |
| John S. Spence | Whig | 1836 | 1840 |
| John L. Kerr | Whig | 1841 | 1843 |
| James A. Pearce | Whig, Democrat | 1843 | 1862 |
| Thomas H. Hicks | Unionist, Republican | 1862 | 1865 |
| John A. J. Creswell | Republican | 1865 | 1867 |
| Philip F. Thomas | Democrat | 1867 | 1868 |
| George Vickers | Democrat | 1868 | 1873 |
| George R. Dennis | Democrat | 1873 | 1879 |
| James B. Groome | Democrat | 1879 | 1885 |
| Ephraim K. Wilson | Democrat | 1885 | 1891 |
| Charles H. Gibson | Democrat | 1891 | 1897 |
| George L. Wellington | Democrat | 1897 | 1903 |
| Arthur P. Gorman | Democrat | 1903 | 1906 |
| William P. Whyte | Democrat | 1906 | 1908 |
| John W. Smith | Democrat | 1908 | 1921 |
| Ovington E. Weller | Republican | 1921 | 1927 |
| Millard E. Tydings | Democrat | 1927 | 1951 |
| John M. Butler | Republican | 1951 | 1963 |
| Daniel B. Brewster | Democrat | 1963 | 1969 |
| Charles McC. Mathias | Republican | 1969 | 1987 |
| Barbara Mikulski | Democrat | 1987 |
