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