# List of United States senators from Mississippi

Mississippi was admitted to the Union on December 10, 1817, and elects senators to class 1 and class 2. Its current senators are Republicans Cindy Hyde-Smith and Roger Wicker. As of February 2022, 51 people have served as U.S. senators from Mississippi. John C. Stennis was Mississippi's longest-serving senator (1947–1989).
Mississippi last elected a Democrat in 1982, and both seats have been occupied by the Republicans since 1989.

## List of senators

| Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2008 (special election), 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2008 (special election), 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2008 (special election), 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2008 (special election), 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2008 (special election), 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2008 (special election), 2012, 2018, and 2024. The next election will be in 2030. | C | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2018 (special election) and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2018 (special election) and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2018 (special election) and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2018 (special election) and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2018 (special election) and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2018 (special election) and 2020. The next election will be in 2026. |
| # | Senator | Party | Dates in office | Electoral history | T | C | T | Electoral history | Dates in office | Party | Senator | # |
| 1 | Walter Leake | Democratic- Republican | Dec 10, 1817 – May 15, 1820 | Elected in 1817.Resigned. | 1 | 15th | 1 | Elected in 1817. | Dec 10, 1817 – Mar 3, 1829 | Democratic- Republican | Thomas Hill Williams | 1 |
| 1 | Walter Leake | Democratic- Republican | Dec 10, 1817 – May 15, 1820 | Elected in 1817.Resigned. | 1 | 16th | 1 | Elected in 1817. | Dec 10, 1817 – Mar 3, 1829 | Democratic- Republican | Thomas Hill Williams | 1 |
| Vacant | Vacant | Vacant | May 15, 1820 – Aug 30, 1820 | | 1 | 16th | 1 | Elected in 1817. | Dec 10, 1817 – Mar 3, 1829 | Democratic- Republican | Thomas Hill Williams | 1 |
| 2 | David Holmes | Democratic- Republican | Aug 30, 1820 – Sep 25, 1825 | Elected to finish Leake's term. | 1 | 16th | 1 | Elected in 1817. | Dec 10, 1817 – Mar 3, 1829 | Democratic- Republican | Thomas Hill Williams | 1 |
| 2 | David Holmes | Democratic- Republican | Aug 30, 1820 – Sep 25, 1825 | Re-election year unknown.Resigned to become Governor of Mississippi. | 2 | 17th | 1 | Elected in 1817. | Dec 10, 1817 – Mar 3, 1829 | Democratic- Republican | Thomas Hill Williams | 1 |
| 2 | David Holmes | Democratic- Republican | Aug 30, 1820 – Sep 25, 1825 | Re-election year unknown.Resigned to become Governor of Mississippi. | 2 | 18th | 2 | Re-elected in 1823. | Dec 10, 1817 – Mar 3, 1829 | Democratic- Republican | Thomas Hill Williams | 1 |
| 2 | David Holmes | Jacksonian | Aug 30, 1820 – Sep 25, 1825 | Re-election year unknown.Resigned to become Governor of Mississippi. | 2 | 19th | 2 | Re-elected in 1823. | Dec 10, 1817 – Mar 3, 1829 | Jacksonian | Thomas Hill Williams | 1 |
| Vacant | Vacant | Vacant | Sep 25, 1825 – Sep 28, 1825 | | 2 | 19th | 2 | Re-elected in 1823. | Dec 10, 1817 – Mar 3, 1829 | Jacksonian | Thomas Hill Williams | 1 |
| 3 | Powhatan Ellis | Jacksonian | Sep 28, 1825 – Jan 28, 1826 | Appointed to continue Holmes's term.Lost election to finish Holmes's term. | 2 | 19th | 2 | Re-elected in 1823. | Dec 10, 1817 – Mar 3, 1829 | Jacksonian | Thomas Hill Williams | 1 |
| 4 | Thomas Buck Reed | Jacksonian | Jan 28, 1826 – Mar 3, 1827 | Elected to finish Holmes's term.Lost election to full term. | 2 | 19th | 2 | Re-elected in 1823. | Dec 10, 1817 – Mar 3, 1829 | Jacksonian | Thomas Hill Williams | 1 |
| 5 | Powhatan Ellis | Jacksonian | Mar 4, 1827 – Jul 16, 1832 | Election year unknown.Resigned to become a U.S. District Judge. | 3 | 20th | 2 | Re-elected in 1823. | Dec 10, 1817 – Mar 3, 1829 | Jacksonian | Thomas Hill Williams | 1 |
| 5 | Powhatan Ellis | Jacksonian | Mar 4, 1827 – Jul 16, 1832 | Election year unknown.Resigned to become a U.S. District Judge. | 3 | 21st | 3 | Elected in 1828.Died. | Mar 4, 1829 – Nov 26, 1829 | Jacksonian | Thomas Buck Reed | 2 |
| 5 | Powhatan Ellis | Jacksonian | Mar 4, 1827 – Jul 16, 1832 | Election year unknown.Resigned to become a U.S. District Judge. | 3 | 21st | 3 | | Nov 26, 1829 – Jan 6, 1830 | Vacant | Vacant | Vacant |
| 5 | Powhatan Ellis | Jacksonian | Mar 4, 1827 – Jul 16, 1832 | Election year unknown.Resigned to become a U.S. District Judge. | 3 | 21st | 3 | Elected to finish Reed's term.Died. | Jan 6, 1830 – Jul 2, 1830 | Jacksonian | Robert H. Adams | 3 |
| 5 | Powhatan Ellis | Jacksonian | Mar 4, 1827 – Jul 16, 1832 | Election year unknown.Resigned to become a U.S. District Judge. | 3 | 21st | 3 | | Jul 2, 1830 – Oct 15, 1830 | Vacant | Vacant | Vacant |
| 5 | Powhatan Ellis | Jacksonian | Mar 4, 1827 – Jul 16, 1832 | Election year unknown.Resigned to become a U.S. District Judge. | 3 | 21st | 3 | Appointed to continue Adams's term.Elected in 1830 to finish Adams's term.Lost re-election. | Oct 15, 1830 – Mar 3, 1835 | Jacksonian | George Poindexter | 4 |
| 5 | Powhatan Ellis | Jacksonian | Mar 4, 1827 – Jul 16, 1832 | Election year unknown.Resigned to become a U.S. District Judge. | 3 | 22nd | 3 | Appointed to continue Adams's term.Elected in 1830 to finish Adams's term.Lost re-election. | Oct 15, 1830 – Mar 3, 1835 | National Republican | George Poindexter | 4 |
| Vacant | Vacant | Vacant | Jul 16, 1832 – Nov 12, 1832 | | 3 | 22nd | 3 | Appointed to continue Adams's term.Elected in 1830 to finish Adams's term.Lost re-election. | Oct 15, 1830 – Mar 3, 1835 | National Republican | George Poindexter | 4 |
| 6 | John Black | Jacksonian | Nov 12, 1832 – Mar 3, 1833 | Appointed to finish Ellis's term. | 3 | 22nd | 3 | Appointed to continue Adams's term.Elected in 1830 to finish Adams's term.Lost re-election. | Oct 15, 1830 – Mar 3, 1835 | National Republican | George Poindexter | 4 |
| 6 | Vacant | Vacant | Mar 4, 1833 – Nov 22, 1833 | Legislature failed to elect. | 4 | 23rd | 3 | Appointed to continue Adams's term.Elected in 1830 to finish Adams's term.Lost re-election. | Oct 15, 1830 – Mar 3, 1835 | National Republican | George Poindexter | 4 |
| 6 | John Black | National Republican | Nov 22, 1833 – Jan 22, 1838 | Elected late.Resigned. | 4 | 23rd | 3 | Appointed to continue Adams's term.Elected in 1830 to finish Adams's term.Lost re-election. | Oct 15, 1830 – Mar 3, 1835 | National Republican | George Poindexter | 4 |
| 6 | John Black | National Republican | Nov 22, 1833 – Jan 22, 1838 | Elected late.Resigned. | 4 | 24th | 4 | Elected in 1835. | Mar 4, 1835 – Mar 5, 1845 | Jacksonian | Robert J. Walker | 5 |
| 6 | John Black | Whig | Nov 22, 1833 – Jan 22, 1838 | Elected late.Resigned. | 4 | 25th | 4 | Elected in 1835. | Mar 4, 1835 – Mar 5, 1845 | Democratic | Robert J. Walker | 5 |
| 7 | James F. Trotter | Democratic | Jan 22, 1838 – Jul 10, 1838 | Appointed to continue Black's term.Resigned. | 4 | 25th | 4 | Elected in 1835. | Mar 4, 1835 – Mar 5, 1845 | Democratic | Robert J. Walker | 5 |
| Vacant | Vacant | Vacant | Jul 10, 1838 – Nov 12, 1838 | | 4 | 25th | 4 | Elected in 1835. | Mar 4, 1835 – Mar 5, 1845 | Democratic | Robert J. Walker | 5 |
| 8 | Thomas H. Williams | Democratic | Nov 12, 1838 – Mar 3, 1839 | Appointed to continue Black's term.Elected in 1839 to finish Black's term.[data missing]. | 4 | 25th | 4 | Elected in 1835. | Mar 4, 1835 – Mar 5, 1845 | Democratic | Robert J. Walker | 5 |
| 9 | John Henderson | Whig | Mar 4, 1839 – Mar 3, 1845 | Elected in 1838.[data missing]. | 5 | 26th | 4 | Elected in 1835. | Mar 4, 1835 – Mar 5, 1845 | Democratic | Robert J. Walker | 5 |
| 9 | John Henderson | Whig | Mar 4, 1839 – Mar 3, 1845 | Elected in 1838.[data missing]. | 5 | 27th | 5 | Re-elected in 1841.Resigned to become U.S. Secretary of the Treasury. | Mar 4, 1835 – Mar 5, 1845 | Democratic | Robert J. Walker | 5 |
| 9 | John Henderson | Whig | Mar 4, 1839 – Mar 3, 1845 | Elected in 1838.[data missing]. | 5 | 28th | 5 | Re-elected in 1841.Resigned to become U.S. Secretary of the Treasury. | Mar 4, 1835 – Mar 5, 1845 | Democratic | Robert J. Walker | 5 |
| 10 | Jesse Speight | Democratic | Mar 4, 1845 – May 1, 1847 | Elected in 1844.Died. | 6 | 29th | 5 | Re-elected in 1841.Resigned to become U.S. Secretary of the Treasury. | Mar 4, 1835 – Mar 5, 1845 | Democratic | Robert J. Walker | 5 |
| 10 | Jesse Speight | Democratic | Mar 4, 1845 – May 1, 1847 | Elected in 1844.Died. | 6 | 29th | 5 | | Mar 5, 1845 – Nov 3, 1845 | Vacant | Vacant | Vacant |
| 10 | Jesse Speight | Democratic | Mar 4, 1845 – May 1, 1847 | Elected in 1844.Died. | 6 | 29th | 5 | Appointed to continue Walker's term.Elected in 1846 to finish Walker's term.[data missing]. | Nov 3, 1845 – Mar 3, 1847 | Democratic | Joseph W. Chalmers | 6 |
| 10 | Jesse Speight | Democratic | Mar 4, 1845 – May 1, 1847 | Elected in 1844.Died. | 6 | 30th | 6 | Elected in 1846 or 1847.Resigned to become Governor of Mississippi. | Mar 4, 1847 – Jan 8, 1852 | Democratic | Henry S. Foote | 7 |
| Vacant | Vacant | Vacant | May 1, 1847 – Aug 10, 1847 | | 6 | 30th | 6 | Elected in 1846 or 1847.Resigned to become Governor of Mississippi. | Mar 4, 1847 – Jan 8, 1852 | Democratic | Henry S. Foote | 7 |
| 11 | Jefferson Davis | Democratic | Aug 10, 1847 – Sep 23, 1851 | Appointed to continue Speight's term.Elected in 1848 to finish Speight's term. | 6 | 30th | 6 | Elected in 1846 or 1847.Resigned to become Governor of Mississippi. | Mar 4, 1847 – Jan 8, 1852 | Democratic | Henry S. Foote | 7 |
| 11 | Jefferson Davis | Democratic | Aug 10, 1847 – Sep 23, 1851 | Appointed to continue Speight's term.Elected in 1848 to finish Speight's term. | 6 | 31st | 6 | Elected in 1846 or 1847.Resigned to become Governor of Mississippi. | Mar 4, 1847 – Jan 8, 1852 | Democratic | Henry S. Foote | 7 |
| 11 | Jefferson Davis | Democratic | Aug 10, 1847 – Sep 23, 1851 | Re-elected in 1850.Resigned to run for Governor of Mississippi. | 7 | 32nd | 6 | Elected in 1846 or 1847.Resigned to become Governor of Mississippi. | Mar 4, 1847 – Jan 8, 1852 | Democratic | Henry S. Foote | 7 |
| Vacant | Vacant | Vacant | Sep 23, 1851 – Dec 1, 1851 | | 7 | 32nd | 6 | Elected in 1846 or 1847.Resigned to become Governor of Mississippi. | Mar 4, 1847 – Jan 8, 1852 | Democratic | Henry S. Foote | 7 |
| 12 | John J. McRae | Democratic | Dec 1, 1851 – Mar 17, 1852 | Appointed to continue Davis's term.Successor elected. | 7 | 32nd | 6 | Elected in 1846 or 1847.Resigned to become Governor of Mississippi. | Mar 4, 1847 – Jan 8, 1852 | Democratic | Henry S. Foote | 7 |
| 12 | John J. McRae | Democratic | Dec 1, 1851 – Mar 17, 1852 | Appointed to continue Davis's term.Successor elected. | 7 | 32nd | 6 | | Jan 8, 1852 – Feb 18, 1852 | Vacant | Vacant | Vacant |
| 12 | John J. McRae | Democratic | Dec 1, 1851 – Mar 17, 1852 | Appointed to continue Davis's term.Successor elected. | 7 | 32nd | 6 | Elected to finish Foote's term.Retired. | Feb 18, 1852 – Mar 3, 1853 | Whig | Walker Brooke | 8 |
| 13 | Stephen Adams | Democratic | Mar 17, 1852 – Mar 3, 1857 | Elected to finish Davis's term.[data missing]. | 7 | 32nd | 6 | Elected to finish Foote's term.Retired. | Feb 18, 1852 – Mar 3, 1853 | Whig | Walker Brooke | 8 |
| 13 | Stephen Adams | Democratic | Mar 17, 1852 – Mar 3, 1857 | Elected to finish Davis's term.[data missing]. | 7 | 33rd | 7 | | Mar 4, 1853 – Jan 7, 1854 | Vacant | Vacant | Vacant |
| 13 | Stephen Adams | Democratic | Mar 17, 1852 – Mar 3, 1857 | Elected to finish Davis's term.[data missing]. | 7 | 33rd | 7 | Elected late in 1854 | Jan 7, 1854 – Jan 12, 1861 | Democratic | Albert G. Brown | 9 |
| 13 | Stephen Adams | Democratic | Mar 17, 1852 – Mar 3, 1857 | Elected to finish Davis's term.[data missing]. | 7 | 34th | 7 | Elected late in 1854 | Jan 7, 1854 – Jan 12, 1861 | Democratic | Albert G. Brown | 9 |
| 14 | Jefferson Davis | Democratic | Mar 4, 1857 – Jan 21, 1861 | Elected in 1856 or 1857.Resigned. | 8 | 35th | 7 | Elected late in 1854 | Jan 7, 1854 – Jan 12, 1861 | Democratic | Albert G. Brown | 9 |
| 14 | Jefferson Davis | Democratic | Mar 4, 1857 – Jan 21, 1861 | Elected in 1856 or 1857.Resigned. | 8 | 36th | 8 | Re-elected in 1859.Withdrew. | Jan 7, 1854 – Jan 12, 1861 | Democratic | Albert G. Brown | 9 |
| 14 | Jefferson Davis | Democratic | Mar 4, 1857 – Jan 21, 1861 | Elected in 1856 or 1857.Resigned. | 8 | 36th | 8 | Civil War and Reconstruction | Jan 12, 1861 – Feb 23, 1870 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jan 21, 1861 – Feb 23, 1870 | Civil War and Reconstruction | 8 | 36th | 8 | Civil War and Reconstruction | Jan 12, 1861 – Feb 23, 1870 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jan 21, 1861 – Feb 23, 1870 | Civil War and Reconstruction | 8 | 37th | 8 | Civil War and Reconstruction | Jan 12, 1861 – Feb 23, 1870 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jan 21, 1861 – Feb 23, 1870 | Civil War and Reconstruction | 9 | 38th | 8 | Civil War and Reconstruction | Jan 12, 1861 – Feb 23, 1870 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jan 21, 1861 – Feb 23, 1870 | Civil War and Reconstruction | 9 | 39th | 9 | Civil War and Reconstruction | Jan 12, 1861 – Feb 23, 1870 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jan 21, 1861 – Feb 23, 1870 | Civil War and Reconstruction | 9 | 40th | 9 | Civil War and Reconstruction | Jan 12, 1861 – Feb 23, 1870 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jan 21, 1861 – Feb 23, 1870 | Civil War and Reconstruction | 10 | 41st | 9 | Civil War and Reconstruction | Jan 12, 1861 – Feb 23, 1870 | Vacant | Vacant | Vacant |
| 15 | Adelbert Ames | Republican | Feb 23, 1870 – Jan 10, 1874 | Elected in 1870 upon readmission.Resigned to become Governor of Mississippi. | 10 | 41st | 9 | Elected in 1870 upon readmission.[data missing]. | Feb 23, 1870 – Mar 3, 1871 | Republican | Hiram R. Revels | 10 |
| 15 | Adelbert Ames | Republican | Feb 23, 1870 – Jan 10, 1874 | Elected in 1870 upon readmission.Resigned to become Governor of Mississippi. | 10 | 42nd | 10 | | Mar 4, 1871 – Dec 1, 1871 | Vacant | Vacant | Vacant |
| 15 | Adelbert Ames | Republican | Feb 23, 1870 – Jan 10, 1874 | Elected in 1870 upon readmission.Resigned to become Governor of Mississippi. | 10 | 42nd | 10 | Elected in 1870, but remained Governor until Dec 1871.[data missing]. | Dec 1, 1871 – Mar 3, 1877 | Republican | James L. Alcorn | 11 |
| 15 | Adelbert Ames | Republican | Feb 23, 1870 – Jan 10, 1874 | Elected in 1870 upon readmission.Resigned to become Governor of Mississippi. | 10 | 43rd | 10 | Elected in 1870, but remained Governor until Dec 1871.[data missing]. | Dec 1, 1871 – Mar 3, 1877 | Republican | James L. Alcorn | 11 |
| Vacant | Vacant | Vacant | Jan 4, 1874 – Feb 3, 1874 | | 10 | 43rd | 10 | Elected in 1870, but remained Governor until Dec 1871.[data missing]. | Dec 1, 1871 – Mar 3, 1877 | Republican | James L. Alcorn | 11 |
| 16 | Henry R. Pease | Republican | Feb 3, 1874 – Mar 3, 1875 | Elected to finish Ames's term.Retired. | | 43rd | 10 | Elected in 1870, but remained Governor until Dec 1871.[data missing]. | Dec 1, 1871 – Mar 3, 1877 | Republican | James L. Alcorn | 11 |
| 17 | Blanche Bruce | Republican | Mar 4, 1875 – Mar 3, 1881 | Elected in 1874.[data missing]. | 11 | 44th | 10 | Elected in 1870, but remained Governor until Dec 1871.[data missing]. | Dec 1, 1871 – Mar 3, 1877 | Republican | James L. Alcorn | 11 |
| 17 | Blanche Bruce | Republican | Mar 4, 1875 – Mar 3, 1881 | Elected in 1874.[data missing]. | 11 | 45th | 11 | Elected in 1876. | Mar 4, 1877 – Mar 6, 1885 | Democratic | Lucius Q. C. Lamar | 12 |
| 17 | Blanche Bruce | Republican | Mar 4, 1875 – Mar 3, 1881 | Elected in 1874.[data missing]. | 11 | 46th | 11 | Elected in 1876. | Mar 4, 1877 – Mar 6, 1885 | Democratic | Lucius Q. C. Lamar | 12 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Elected in 1880. | 12 | 47th | 11 | Elected in 1876. | Mar 4, 1877 – Mar 6, 1885 | Democratic | Lucius Q. C. Lamar | 12 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Elected in 1880. | 12 | 48th | 12 | Re-elected in 1883.Resigned. | Mar 4, 1877 – Mar 6, 1885 | Democratic | Lucius Q. C. Lamar | 12 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Elected in 1880. | 12 | 49th | 12 | Re-elected in 1883.Resigned. | Mar 4, 1877 – Mar 6, 1885 | Democratic | Lucius Q. C. Lamar | 12 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Elected in 1880. | 12 | 49th | 12 | | Mar 6, 1885 – Mar 9, 1885 | Vacant | Vacant | Vacant |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Elected in 1880. | 12 | 49th | 12 | Appointed to continue Lamar's term.Elected in 1886 to finish Lamar's term. | Mar 9, 1885 – Jan 24, 1894 | Democratic | Edward C. Walthall | 13 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Re-elected in 1886. | 13 | 50th | 12 | Appointed to continue Lamar's term.Elected in 1886 to finish Lamar's term. | Mar 9, 1885 – Jan 24, 1894 | Democratic | Edward C. Walthall | 13 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Re-elected in 1886. | 13 | 51st | 13 | Re-elected in 1889.Resigned. | Mar 9, 1885 – Jan 24, 1894 | Democratic | Edward C. Walthall | 13 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Re-elected in 1886. | 13 | 52nd | 13 | Re-elected in 1889.Resigned. | Mar 9, 1885 – Jan 24, 1894 | Democratic | Edward C. Walthall | 13 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Re-elected in 1892.Died. | 14 | 53rd | 13 | Re-elected in 1889.Resigned. | Mar 9, 1885 – Jan 24, 1894 | Democratic | Edward C. Walthall | 13 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Re-elected in 1892.Died. | 14 | 53rd | 13 | | Jan 24, 1894 – Feb 7, 1894 | Vacant | Vacant | Vacant |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Re-elected in 1892.Died. | 14 | 53rd | 13 | Elected to finish Walthall's term.[data missing]. | Feb 7, 1894 – Mar 3, 1895 | Democratic | Anselm J. McLaurin | 14 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Re-elected in 1892.Died. | 14 | 54th | 14 | Elected early in 1892.Died. | Mar 4, 1895 – Apr 21, 1898 | Democratic | Edward C. Walthall | 15 |
| 18 | James Z. George | Democratic | Mar 4, 1881 – Aug 14, 1897 | Re-elected in 1892.Died. | 14 | 55th | 14 | Elected early in 1892.Died. | Mar 4, 1895 – Apr 21, 1898 | Democratic | Edward C. Walthall | 15 |
| Vacant | Vacant | Vacant | Aug 14, 1897 – Oct 8, 1897 | | 14 | 55th | 14 | Elected early in 1892.Died. | Mar 4, 1895 – Apr 21, 1898 | Democratic | Edward C. Walthall | 15 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Appointed to finish George's term. | 14 | 55th | 14 | Elected early in 1892.Died. | Mar 4, 1895 – Apr 21, 1898 | Democratic | Edward C. Walthall | 15 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Appointed to finish George's term. | 14 | 55th | 14 | | Apr 21, 1898 – May 31, 1898 | Vacant | Vacant | Vacant |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Appointed to finish George's term. | 14 | 55th | 14 | Appointed to continue Walthall's term.Elected in 1900 to finish Walthall's term.Retired. | May 31, 1898 – Mar 3, 1901 | Democratic | William V. Sullivan | 16 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Elected to full term in 1899. | 15 | 56th | 14 | Appointed to continue Walthall's term.Elected in 1900 to finish Walthall's term.Retired. | May 31, 1898 – Mar 3, 1901 | Democratic | William V. Sullivan | 16 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Elected to full term in 1899. | 15 | 57th | 15 | Elected in 1900. | Mar 4, 1901 – Dec 22, 1909 | Democratic | Anselm J. McLaurin | 17 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Elected to full term in 1899. | 15 | 58th | 15 | Elected in 1900. | Mar 4, 1901 – Dec 22, 1909 | Democratic | Anselm J. McLaurin | 17 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Re-elected in 1904.Retired. | 16 | 59th | 15 | Elected in 1900. | Mar 4, 1901 – Dec 22, 1909 | Democratic | Anselm J. McLaurin | 17 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Re-elected in 1904.Retired. | 16 | 60th | 16 | Re-elected early in 1904.Died. | Mar 4, 1901 – Dec 22, 1909 | Democratic | Anselm J. McLaurin | 17 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Re-elected in 1904.Retired. | 16 | 61st | 16 | Re-elected early in 1904.Died. | Mar 4, 1901 – Dec 22, 1909 | Democratic | Anselm J. McLaurin | 17 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Re-elected in 1904.Retired. | 16 | 61st | 16 | | Dec 22, 1909 – Dec 27, 1909 | Vacant | Vacant | Vacant |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Re-elected in 1904.Retired. | 16 | 61st | 16 | Appointed to continue McLaurin's term.Successor qualified. | Dec 27, 1909 – Feb 22, 1910 | Democratic | James Gordon | 18 |
| 19 | Hernando Money | Democratic | Oct 8, 1897 – Mar 3, 1911 | Re-elected in 1904.Retired. | 16 | 61st | 16 | Elected to finish McLaurin's term.Lost nomination to full term. | Feb 23, 1910 – Mar 3, 1913 | Democratic | LeRoy Percy | 19 |
| 20 | John Sharp Williams | Democratic | Mar 4, 1911 – Mar 3, 1923 | Elected early in 1908. | 17 | 62nd | 16 | Elected to finish McLaurin's term.Lost nomination to full term. | Feb 23, 1910 – Mar 3, 1913 | Democratic | LeRoy Percy | 19 |
| 20 | John Sharp Williams | Democratic | Mar 4, 1911 – Mar 3, 1923 | Elected early in 1908. | 17 | 63rd | 17 | Elected in 1912.Lost renomination. | Mar 4, 1913 – Mar 3, 1919 | Democratic | James K. Vardaman | 20 |
| 20 | John Sharp Williams | Democratic | Mar 4, 1911 – Mar 3, 1923 | Elected early in 1908. | 17 | 64th | 17 | Elected in 1912.Lost renomination. | Mar 4, 1913 – Mar 3, 1919 | Democratic | James K. Vardaman | 20 |
| 20 | John Sharp Williams | Democratic | Mar 4, 1911 – Mar 3, 1923 | Re-elected in 1916.Retired. | 18 | 65th | 17 | Elected in 1912.Lost renomination. | Mar 4, 1913 – Mar 3, 1919 | Democratic | James K. Vardaman | 20 |
| 20 | John Sharp Williams | Democratic | Mar 4, 1911 – Mar 3, 1923 | Re-elected in 1916.Retired. | 18 | 66th | 18 | Elected in 1918. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 20 | John Sharp Williams | Democratic | Mar 4, 1911 – Mar 3, 1923 | Re-elected in 1916.Retired. | 18 | 67th | 18 | Elected in 1918. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 21 | Hubert D. Stephens | Democratic | Mar 4, 1923 – Jan 3, 1935 | Elected in 1922. | 19 | 68th | 18 | Elected in 1918. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 21 | Hubert D. Stephens | Democratic | Mar 4, 1923 – Jan 3, 1935 | Elected in 1922. | 19 | 69th | 19 | Re-elected in 1924. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 21 | Hubert D. Stephens | Democratic | Mar 4, 1923 – Jan 3, 1935 | Elected in 1922. | 19 | 70th | 19 | Re-elected in 1924. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 21 | Hubert D. Stephens | Democratic | Mar 4, 1923 – Jan 3, 1935 | Re-elected in 1928.Lost renomination. | 20 | 71st | 19 | Re-elected in 1924. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 21 | Hubert D. Stephens | Democratic | Mar 4, 1923 – Jan 3, 1935 | Re-elected in 1928.Lost renomination. | 20 | 72nd | 20 | Re-elected in 1930. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 21 | Hubert D. Stephens | Democratic | Mar 4, 1923 – Jan 3, 1935 | Re-elected in 1928.Lost renomination. | 20 | 73rd | 20 | Re-elected in 1930. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Elected in 1934. | 21 | 74th | 20 | Re-elected in 1930. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Elected in 1934. | 21 | 75th | 21 | Re-elected in 1936.Died. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Elected in 1934. | 21 | 76th | 21 | Re-elected in 1936.Died. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Re-elected in 1940. | 22 | 77th | 21 | Re-elected in 1936.Died. | Mar 4, 1919 – Jun 22, 1941 | Democratic | Pat Harrison | 21 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Re-elected in 1940. | 22 | 77th | 21 | | Jun 22, 1941 – Jun 30, 1941 | Vacant | Vacant | Vacant |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Re-elected in 1940. | 22 | 77th | 21 | Appointed to continue Harrison's term.Retired when successor elected. | Jun 30, 1941 – Sep 28, 1941 | Democratic | James Eastland | 22 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Re-elected in 1940. | 22 | 77th | 21 | Elected to finish Harrison's term.Lost renomination. | Sep 29, 1941 – Jan 3, 1943 | Democratic | Wall Doxey | 23 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Re-elected in 1940. | 22 | 78th | 22 | Elected in 1942. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Re-elected in 1940. | 22 | 79th | 22 | Elected in 1942. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 22 | Theodore G. Bilbo | Democratic | Jan 3, 1935 – Aug 21, 1947 | Re-elected in 1946.Died. | 23 | 80th | 22 | Elected in 1942. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| Vacant | Vacant | Vacant | Aug 21, 1947 – Nov 5, 1947 | | 23 | 80th | 22 | Elected in 1942. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Elected to finish Bilbo's term. | 23 | 80th | 22 | Elected in 1942. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Elected to finish Bilbo's term. | 23 | 81st | 23 | Re-elected in 1948. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Elected to finish Bilbo's term. | 23 | 82nd | 23 | Re-elected in 1948. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1952. | 24 | 83rd | 23 | Re-elected in 1948. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1952. | 24 | 84th | 24 | Re-elected in 1954. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1952. | 24 | 85th | 24 | Re-elected in 1954. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1958. | 25 | 86th | 24 | Re-elected in 1954. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1958. | 25 | 87th | 25 | Re-elected in 1960. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1958. | 25 | 88th | 25 | Re-elected in 1960. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1964. | 26 | 89th | 25 | Re-elected in 1960. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1964. | 26 | 90th | 26 | Re-elected in 1966. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1964. | 26 | 91st | 26 | Re-elected in 1966. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1970. | 27 | 92nd | 26 | Re-elected in 1966. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1970. | 27 | 93rd | 27 | Re-elected in 1972.Retired, and resigned early to give successor preferential seniority. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1970. | 27 | 94th | 27 | Re-elected in 1972.Retired, and resigned early to give successor preferential seniority. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1976. | 28 | 95th | 27 | Re-elected in 1972.Retired, and resigned early to give successor preferential seniority. | Jan 3, 1943 – Dec 27, 1978 | Democratic | James Eastland | 24 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1976. | 28 | 95th | 27 | Appointed early to finish Eastland's term, having already been elected to the next term. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1976. | 28 | 96th | 28 | Elected in 1978. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1976. | 28 | 97th | 28 | Elected in 1978. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1982.Retired. | 29 | 98th | 28 | Elected in 1978. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1982.Retired. | 29 | 99th | 29 | Re-elected in 1984. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 23 | John C. Stennis | Democratic | Nov 5, 1947 – Jan 3, 1989 | Re-elected in 1982.Retired. | 29 | 100th | 29 | Re-elected in 1984. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Elected in 1988. | 30 | 101st | 29 | Re-elected in 1984. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Elected in 1988. | 30 | 102nd | 30 | Re-elected in 1990. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Elected in 1988. | 30 | 103rd | 30 | Re-elected in 1990. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Re-elected in 1994. | 31 | 104th | 30 | Re-elected in 1990. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Re-elected in 1994. | 31 | 105th | 31 | Re-elected in 1996. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Re-elected in 1994. | 31 | 106th | 31 | Re-elected in 1996. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Re-elected in 2000. | 32 | 107th | 31 | Re-elected in 1996. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Re-elected in 2000. | 32 | 108th | 32 | Re-elected in 2002. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Re-elected in 2000. | 32 | 109th | 32 | Re-elected in 2002. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 24 | Trent Lott | Republican | Jan 3, 1989 – Dec 18, 2007 | Re-elected in 2006.Resigned. | 33 | 110th | 32 | Re-elected in 2002. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| Vacant | Vacant | Vacant | Dec 18, 2007 – Dec 31, 2007 | | 33 | 110th | 32 | Re-elected in 2002. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Appointed to continue Lott's term.Elected in 2008 to finish Lott's term. | 33 | 110th | 32 | Re-elected in 2002. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Appointed to continue Lott's term.Elected in 2008 to finish Lott's term. | 33 | 111th | 33 | Re-elected in 2008. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Appointed to continue Lott's term.Elected in 2008 to finish Lott's term. | 33 | 112th | 33 | Re-elected in 2008. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2012. | 34 | 113th | 33 | Re-elected in 2008. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2012. | 34 | 114th | 34 | Re-elected in 2014.Resigned. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2012. | 34 | 115th | 34 | Re-elected in 2014.Resigned. | Dec 27, 1978 – Apr 1, 2018 | Republican | Thad Cochran | 25 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2012. | 34 | 115th | 34 | Appointed to continue Cochran's term.Elected in 2018 in runoff election to finish Cochran's term. | Apr 2, 2018 – present | Republican | Cindy Hyde-Smith | 26 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2018. | 35 | 116th | 34 | Appointed to continue Cochran's term.Elected in 2018 in runoff election to finish Cochran's term. | Apr 2, 2018 – present | Republican | Cindy Hyde-Smith | 26 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2018. | 35 | 117th | 35 | Re-elected in 2020. | Apr 2, 2018 – present | Republican | Cindy Hyde-Smith | 26 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2018. | 35 | 118th | 35 | Re-elected in 2020. | Apr 2, 2018 – present | Republican | Cindy Hyde-Smith | 26 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2024. | 36 | 119th | 35 | Re-elected in 2020. | Apr 2, 2018 – present | Republican | Cindy Hyde-Smith | 26 |
| 25 | Roger Wicker | Republican | Dec 31, 2007 – present | Re-elected in 2024. | 36 | 120th | 36 | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. |
| # | Senator | Party | Years in office | Electoral history | T | C | T | Electoral history | Years in office | Party | Senator | # |
| Class 1 | Class 1 | Class 1 | Class 1 | Class 1 | Class 1 | C | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 |