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Louisiana was admitted to the Union on April 30, 1812, and elects senators to Class 2 and Class 3. Its current senators are Republicans David Vitter and Bill Cassidy. == List of Senators == |- style="height:2em" ! 1 | align=left nowrap | 100px Jean Noel Destréhan | | Democratic-Republican | September 3, 1812 – October 1, 1812 | Resigned | rowspan=6 | 1 | rowspan=4 scope=row class=small | | rowspan=4 | 1 | rowspan=4 | Elected in 1812. | rowspan=4 | September 3, 1812 – March 4, 1813 | rowspan=4 | Democratic-Republican | rowspan=4 align=right nowrap | Allan B. Magruder ! rowspan=4 | 1 |- style="height:2em" | colspan=3 | ''Vacant'' | October 1, 1812 – October 8, 1812 | |- style="height:2em" ! 2 | align=left nowrap | 100px Thomas Posey | | Democratic-Republican | October 8, 1812 – February 4, 1813 | Appointed to continue Destréhan's term. Lost election to finish Destréhan's term. |- style="height:2em" ! rowspan=3 | 3 | rowspan=3 align=left nowrap | 100px James Brown | rowspan=3 | Democratic-Republican | rowspan=3 | February 5, 1813 – March 4, 1817 | rowspan=3 | Elected to finish Destréhan's term. Lost election to full term. |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=5 | 2 | rowspan=5 | Elected in 1813 Retired. | rowspan=5 | March 4, 1813 – March 4, 1819 | rowspan=5 | Democratic-Republican | rowspan=5 align=right nowrap | Eligius Fromentin ! rowspan=5 | 2 |- style="height:2em" | scope=row class=small | |- style="height:2em" ! 4 | align=left nowrap | 100px William C. C. Claiborne | | Democratic-Republican | March 4, 1817 – November 23, 1817 | Elected in 1817. Died. | rowspan=5 | 2 | rowspan=3 bgcolor=gray scope=row class=small | |- style="height:2em" | colspan=3 | ''Vacant'' | November 23, 1817 – January 12, 1818 | |- style="height:2em" ! rowspan=6 | 5 | rowspan=6 align=left nowrap | 100px Henry Johnson | rowspan=3 | Democratic-Republican | rowspan=6 | January 12, 1818 – May 27, 1824 | rowspan=3 | Appointed to finish Claiborne's term. |- style="height:2em" | scope=row class=small | | rowspan=7 | 3 | rowspan=3 | Elected in 1819. Resigned to become U.S. Minister to France. | rowspan=3 | March 4, 1819 – December 10, 1823 | rowspan=2 | Democratic- Republican | rowspan=3 align=right nowrap | 100px James Brown ! rowspan=3 | 3 |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=3 | Adams-Clay Democratic- Republican | rowspan=3 | Elected to full term in 1823. Resigned to become Governor of Louisiana. | rowspan=7 | 3 | rowspan=5 scope=row class=small | | | Adams-Clay Democratic- Republican |- style="height:2em" | | December 10, 1823 – January 15, 1824 | colspan=3 | ''Vacant'' |- style="height:2em" | rowspan=3 | Appointed to finish Brown's term | rowspan=10 | January 15, 1824 – May 19, 1833 | rowspan=3 | Adams-Clay Republican | rowspan=10 align=right nowrap | 100px Josiah S. Johnston ! rowspan=10 | 4 |- style="height:2em" | colspan=3 | ''Vacant'' | May 27, 1824 – November 19, 1824 | |- style="height:2em" ! rowspan=3 | 6 | rowspan=3 align=left nowrap | 100px Charles D.J. Bouligny | | Adams-Clay Republican | rowspan=3 | November 19, 1824 – March 4, 1829 | rowspan=3 | Elected to finish Johnson's term. |- style="height:2em" | | Anti- Jacksonian | bgcolor=gray scope=row class=small | | rowspan=3 | 4 | rowspan=3 | Elected to full term in 1825. | | Anti- Jacksonian |- style="height:2em" | | Adams | scope=row class=small | | | Adams |- style="height:2em" ! rowspan=2 | 7 | rowspan=2 align=left nowrap | 100px Edward Livingston | rowspan=2 | Jacksonian | rowspan=2 | March 4, 1829 – May 24, 1831 | rowspan=2 | Elected in 1828 or 1829. Resigned to become U.S. Secretary of State. | rowspan=7 | 4 | bgcolor=gray scope=row class=small | | rowspan=5 | Anti- Jacksonian |- style="height:2em" | rowspan=3 scope=row class=small | | rowspan=10 | 5 | rowspan=4 | Re-elected in 1831. Died. |- style="height:2em" | colspan=3 | ''Vacant'' | May 24, 1831 – November 15, 1831 | |- style="height:2em" ! rowspan=4 | 8 | rowspan=4 align=left nowrap | 100px George A. Waggaman | rowspan=4 | Anti- Jacksonian | rowspan=4 | November 15, 1831 – March 4, 1835 | rowspan=4 | Elected to finish Livingston's term. |- style="height:2em" | rowspan=3 bgcolor=gray scope=row class=small | |- style="height:2em" | | May 19, 1833 – December 19, 1833 | colspan=3 | ''Vacant'' |- style="height:2em" | rowspan=3 | Elected to finish Johnson's term. Resigned. | rowspan=3 | December 19, 1833 – January 5, 1837 | rowspan=3 | Anti-Jacksonian | rowspan=3 align=right nowrap | 100px Alexander Porter ! rowspan=3 | 5 |- style="height:2em" | colspan=3 | ''Vacant'' | March 4, 1835 – January 13, 1836 | Charles Gayarré was elected in 1835, but resigned due to ill health. | rowspan=6 | 5 | rowspan=4 scope=row class=small | |- style="height:2em" ! rowspan=5 | 9 | rowspan=5 align=left nowrap | 100px Robert C. Nicholas | rowspan=3 | Jacksonian | rowspan=5 | January 13, 1836 – March 4, 1841 | rowspan=5 | Elected to finish Gauarré's term. |- style="height:2em" | | January 5, 1837 – January 12, 1837 | colspan=3 | ''Vacant'' |- style="height:2em" | Elected to finish Porter's term. | rowspan=4 | January 12, 1837 – March 1, 1842 | | Jacksonian | rowspan=4 align=right nowrap | 100px Alexander Mouton ! rowspan=4 | 6 |- style="height:2em" | rowspan=2 | Democratic | bgcolor=gray scope=row class=small | | rowspan=5 | 6 | rowspan=3 | Re-elected in 1837. Resigned. | rowspan=3 | Democratic |- style="height:2em" | scope=row class=small | |- style="height:2em" ! rowspan=6 | 10 | rowspan=6 align=left nowrap | 100px Alexander Barrow | rowspan=6 | Whig | rowspan=6 | March 4, 1841 – December 29, 1846 | rowspan=6 | Elected in 1841. Died. | rowspan=8 | 6 | rowspan=3 bgcolor=gray scope=row class=small | |- style="height:2em" | | March 1, 1842 – April 14, 1842 | colspan=3 | ''Vacant'' |- style="height:2em" | Appointed to finish Mouton's term. Lost election to full term. | April 14, 1842 – March 4, 1843 | | Whig | align=right nowrap | 100px Charles Magill Conrad ! 7 |- style="height:2em" | rowspan=2 scope=row class=small | | rowspan=6 | 7 | Alexander Porter was elected, but due to ill health declined the seat. | March 4, 1843 – February 12, 1844 | colspan=3 | ''Vacant'' |- style="height:2em" | rowspan=5 | Appointed to continue Porter's term. Lost election to full term in 1849. | rowspan=5 | February 12, 1844 – March 3, 1849 | rowspan=5 | Whig | rowspan=5 align=right nowrap | 100px Henry Johnson ! rowspan=5 | 8 |- style="height:2em" | rowspan=3 bgcolor=gray scope=row class=small | |- style="height:2em" | colspan=3 | ''Vacant'' | December 29, 1846 – January 21, 1847 | |- style="height:2em" ! 11 | align=left nowrap | 100px Pierre Soulé | | Democratic | January 21, 1847 – March 4, 1847 | Elected to finish Barrow's term. |- style="height:2em" ! rowspan=3 | 12 | rowspan=3 align=left nowrap | 100px Solomon W. Downs | rowspan=3 | Democratic | rowspan=3 | March 4, 1847 – March 4, 1853 | rowspan=3 | Elected in 1847. | rowspan=3 | 7 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=5 | 8 | rowspan=3 | Elected in 1849. Resigned to become U.S. Minister to Spain. | rowspan=3 | March 3, 1849 – April 11, 1853 | rowspan=3 | Democratic | rowspan=3 align=right nowrap | 100px Pierre Soulé ! rowspan=3 | 9 |- style="height:2em" | scope=row class=small | |- style="height:2em" ! rowspan=6 | 13 | rowspan=6 align=left nowrap | 100px Judah P. Benjamin | rowspan=4 | Whig | rowspan=6 | March 4, 1853 – February 4, 1861 | rowspan=5 | Elected in 1853. | rowspan=5 | 8 | rowspan=3 bgcolor=gray scope=row class=small | |- style="height:2em" | | April 11, 1853 – December 5, 1853 | colspan=3 | ''Vacant'' |- style="height:2em" | Elected to finish Soulés term. | rowspan=4 | December 5, 1853 – February 4, 1861 | rowspan=4 | Democratic | rowspan=4 align=right nowrap | 100px John Slidell ! rowspan=4 | 10 |- style="height:2em" | scope=row class=small | | rowspan=4 | 9 | rowspan=3 | Re-elected in 1855. Resigned. |- style="height:2em" | rowspan=2 | Democratic | bgcolor=gray scope=row class=small | |- style="height:2em" | Re-elected in 1859. Withdrew. | rowspan=4 | 9 | rowspan=2 scope=row class=small | |- style="height:2em" | rowspan=5 colspan=3 | ''Vacant'' | rowspan=5 | February 4, 1861 – July 8, 1868 | rowspan=5 | American Civil War and Reconstruction | rowspan=6 | American Civil War and Reconstruction | rowspan=6 | February 4, 1861 – July 9, 1868 | rowspan=6 colspan=3 | ''Vacant'' |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 10 |- style="height:2em" | scope=row class=small | |- style="height:2em" | rowspan=5 | 10 | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=3 scope=row class=small | | rowspan=6 | 11 |- style="height:2em" ! rowspan=3 | 14 | rowspan=3 align=left nowrap | 100px John S. Harris | rowspan=3 | Republican | rowspan=3 | July 8, 1868 – March 4, 1871 | rowspan=3 | Elected to finish incomplete term in 1868. . |- style="height:2em" | rowspan=3 | Appointed to finish incomplete term. Resigned to become Governor of Louisiana. | rowspan=3 | July 9, 1868 – November 1, 1872 | rowspan=3 | Republican | rowspan=3 align=right nowrap | 100px William P. Kellogg ! rowspan=3 | 11 |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" ! rowspan=5 | 15 | rowspan=5 align=left nowrap | 100px Joseph R. West | rowspan=5 | Republican | rowspan=5 | March 4, 1871 – March 4, 1877 | rowspan=5 | Elected in 1871. Retired. | rowspan=5 | 11 | rowspan=2 scope=row class=small | |- style="height:2em" | rowspan=3 | Senate declined to seat rival claimants William L. McMillen and P. B. S. Pinchback〔(Compilation of Senate Election Cases from 1789 to 1885 - Pages 483 - 512 )〕 | rowspan=3 | November 1, 1872 – January 12, 1876 | rowspan=3 colspan=3 | ''Vacant''. |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=4 | 12 |- style="height:2em" | rowspan=2 scope=row class=small | |- style="height:2em" | rowspan=2 | Elected to finish incomplete term in 1876. Lost re-election. | rowspan=2 | January 12, 1876 – March 4, 1879 | rowspan=2 | Democratic | rowspan=2 align=right nowrap | 100px James B. Eustis ! rowspan=2 | 12 |- style="height:2em" ! rowspan=3 | 16 | rowspan=3 align=left nowrap | 100px William P. Kellogg | rowspan=3 | Republican | rowspan=3 | March 4, 1877 – March 4, 1883 | rowspan=3 | Elected in 1877. Retired to run for member of the U.S. House of Representatives. | rowspan=3 | 12 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 13 | rowspan=3 | Elected in 1878. Lost re-election. | rowspan=3 | March 4, 1879 – March 4, 1885 | rowspan=3 | Democratic | rowspan=3 align=right nowrap | 100px Benjamin F. Jonas ! rowspan=3 | 13 |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" ! rowspan=5 | 17 | rowspan=5 align=left nowrap | 100px Randall L. Gibson | rowspan=5 | Democratic | rowspan=5 | March 4, 1883 – December 15, 1892 | rowspan=3 | Elected in 1882. | rowspan=3 | 13 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 14 | rowspan=3 | Elected in 1884. Retired. | rowspan=3 | March 4, 1885 – March 4, 1891 | rowspan=3 | Democratic | rowspan=3 align=right nowrap | 100px James B. Eustis ! rowspan=3 | 14 |- style="height:2em" | scope=row class=small | |- style="height:2em" | rowspan=2 | Re-elected in 1888. Died. | rowspan=6 | 14 | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=3 scope=row class=small | | rowspan=6 | 15 | rowspan=4 | Elected in 1890. Resigned to become U.S. Supreme Court Justice. | rowspan=4 | March 4, 1891 – March 12, 1894 | rowspan=4 | Democratic | rowspan=4 align=right nowrap | 100px Edward Douglass White ! rowspan=4 | 15 |- style="height:2em" | colspan=3 | ''Vacant'' | December 15, 1892 – December 31, 1892 | |- style="height:2em" ! rowspan=6 | 18 | rowspan=6 align=left nowrap | 100px Donelson Caffery | rowspan=6 | Democratic | rowspan=6 | December 31, 1892 – March 4, 1901 | rowspan=3 | Elected to finish Gibson's term. |- style="height:2em" | rowspan=2 bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=2 | Appointed to continue White's term. Elected to finish White's term. Retired. | rowspan=2 | March 12, 1894 – March 4, 1897 | rowspan=2 | Democratic | rowspan=2 align=right nowrap | 100px Newton C. Blanchard ! rowspan=2 | 16 |- style="height:2em" | rowspan=3 | Re-elected in 1894. Retired. | rowspan=3 | 15 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 16 | rowspan=3 | Elected in 1896. | rowspan=7 | March 4, 1897 – June 28, 1910 | rowspan=7 | Democratic | rowspan=7 align=right nowrap | 100px Samuel D. McEnery ! rowspan=7 | 17 |- style="height:2em" | scope=row class=small | |- style="height:2em" ! rowspan=8 | 19 | rowspan=8 align=left nowrap | 100px Murphy J. Foster | rowspan=8 | Democratic | rowspan=8 | March 4, 1901 – March 4, 1913 | rowspan=3 | Elected in 1900. | rowspan=3 | 16 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 17 | rowspan=3 | Re-elected in 1902. |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=5 | Re-elected in 1906. Lost renomination. | rowspan=5 | 17 | scope=row class=small | |- style="height:2em" | rowspan=3 bgcolor=gray scope=row class=small | | rowspan=5 | 18 | Re-elected in 1908. Died. |- style="height:2em" | | June 28, 1910 – December 7, 1910 | colspan=3 | ''Vacant'' |- style="height:2em" | rowspan=3 | Appointed to continue McEnery's term. Elected to finish McEnery's term. Retired. | rowspan=3 | December 7, 1910 – March 4, 1915 | rowspan=3 | Democratic | rowspan=3 align=right nowrap | 100px John Thornton ! rowspan=3 | 18 |- style="height:2em" | scope=row class=small | |- style="height:2em" ! rowspan=12 | 20 | rowspan=12 align=left nowrap | 100px Joseph E. Ransdell | rowspan=12 | Democratic | rowspan=12 | March 4, 1913 – March 4, 1931 | rowspan=6 | Elected in 1912. | rowspan=6 | 18 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=6 | 19 | rowspan=2 | Elected in 1914. Died. | rowspan=2 | March 4, 1915 – April 12, 1918 | rowspan=2 | Democratic | rowspan=2 align=right nowrap | 100px Robert F. Broussard ! rowspan=2 | 19 |- style="height:2em" | rowspan=4 bgcolor=gray scope=row class=small | |- style="height:2em" | | April 12, 1918 – April 22, 1918 | colspan=3 | ''Vacant'' |- style="height:2em" | Appointed to continue Broussard's term. Retired when elected successor qualified. | April 22, 1918 – November 5, 1918 | | Democratic | align=right nowrap | 100px Walter Guion ! 20 |- style="height:2em" | rowspan=2 | Elected to finish Broussard's term. Retired. | rowspan=2 | November 6, 1918 – March 4, 1921 | rowspan=2 | Democratic | rowspan=2 align=right nowrap | 100px Edward James Gay ! rowspan=2 | 21 |- style="height:2em" | rowspan=3 | Re-elected in 1918. | rowspan=3 | 19 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 20 | rowspan=3 | Elected in 1920. | rowspan=7 | March 4, 1921 – March 4, 1933 | rowspan=7 | Democratic | rowspan=7 align=right nowrap |100px Edwin S. Broussard ! rowspan=7 | 22 |- style="height:2em" | scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 1924. Lost renomination. | rowspan=3 | 20 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=4 | 21 | rowspan=4 | Re-elected in 1926. Lost renomination. |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | colspan=3 | ''Vacant'' | March 4, 1931 – January 25, 1932 | | rowspan=6 | 21 | rowspan=2 scope=row class=small | |- style="height:2em" ! rowspan=3 | 21 | rowspan=3 align=left nowrap | 100px Huey Long | rowspan=3 | Democratic | rowspan=3 | January 25, 1932 – September 10, 1935 | rowspan=3 | Elected in 1930, but continued to serve as Governor of Louisiana, until finally taking his Senate seat. Died. |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=5 | 22 | rowspan=5 | Elected in 1932. | rowspan=10 | March 4, 1933 – May 14, 1948 | rowspan=10 | Democratic | rowspan=10 align=right nowrap | 100px John H. Overton ! rowspan=10 | 23 |- style="height:2em" | rowspan=3 scope=row class=small | |- style="height:2em" | colspan=3 | ''Vacant'' | September 10, 1935 – January 31, 1936 | |- style="height:2em" ! 22 | align=left nowrap | 100px Rose McConnell Long | | Democratic | January 31, 1936 – January 2, 1937 | Appointed to continue Huey Long's term. Elected to finish Huey Long's term. Retired. |- style="height:2em" ! rowspan=21 | 23 | rowspan=21 align=left nowrap | 100px Allen J. Ellender | rowspan=21 | Democratic | rowspan=21 | January 3, 1937 – July 27, 1972 | rowspan=3 | Elected in 1936. | rowspan=3 | 22 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 23 | rowspan=3 | Re-elected in 1938. |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=6 | Re-elected in 1942. | rowspan=6 | 23 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=6 | 24 | rowspan=2 | Re-elected in 1944. Died. |- style="height:2em" | rowspan=4 scope=row class=small | |- style="height:2em" | | May 14, 1948 – May 18, 1948 | colspan=3 | ''Vacant'' |- style="height:2em" | Appointed to continue Overton's term. Retired when elected successor qualified. | May 18, 1948 – December 30, 1948 | | Democratic | align=right nowrap | 100px William C. Feazel ! 24 |- style="height:2em" | rowspan=2 | Elected to finish Overton's term. | rowspan=23 | December 31, 1948 – January 3, 1987 | rowspan=23 | Democratic | rowspan=23 align=right nowrap | 100px Russell B. Long ! rowspan=23 | 25 |- style="height:2em" | rowspan=3 | Re-elected in 1948. | rowspan=3 | 24 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 25 | rowspan=3 | Re-elected in 1950. |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 1954. | rowspan=3 | 25 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 26 | rowspan=3 | Re-elected in 1956. |- style="height:2em" | scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 1960. | rowspan=3 | 26 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 27 | rowspan=3 | Re-elected in 1962. |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 1966. Died. | rowspan=6 | 27 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=6 | 28 | rowspan=6 | Re-elected in 1968. |- style="height:2em" | rowspan=4 scope=row class=small | |- style="height:2em" | colspan=3 | ''Vacant'' | July 27, 1972 – August 1, 1972 | |- style="height:2em" ! 24 | align=left nowrap | 100px Elaine S. Edwards | | Democratic | August 1, 1972 – November 13, 1972 | Appointed to continue Ellender's term. Retired when successor qualified. |- style="height:2em" ! rowspan=13 | 25 | rowspan=13 align=left nowrap | 100px Bennett Johnston, Jr. | rowspan=13 | Democratic | rowspan=13 | November 14, 1972 – January 3, 1997 | Elected to finish Ellender's term. |- style="height:2em" | rowspan=3 | Re-elected in 1972. | rowspan=3 | 28 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 29 | rowspan=3 | Re-elected in 1974. |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 1978. | rowspan=3 | 29 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 30 | rowspan=3 | Re-elected in 1980. Retired. |- style="height:2em" | scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 1984. | rowspan=3 | 30 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 31 | rowspan=3 | Elected in 1986. | rowspan=9 | January 3, 1987 – January 3, 2005 | rowspan=9 | Democratic | rowspan=9 align=right nowrap | 100px John Breaux ! rowspan=9 | 26 |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 1990. Retired. | rowspan=3 | 31 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 32 | rowspan=3 | Re-elected in 1992. |- style="height:2em" | scope=row class=small | |- style="height:2em" ! rowspan=9 | 26 | rowspan=9 align=left nowrap | 100px Mary Landrieu | rowspan=9 | Democratic | rowspan=9 | January 3, 1997 – January 3, 2015 | rowspan=3 | Elected in 1996. | rowspan=3 | 32 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 33 | rowspan=3 | Re-elected in 1998. Retired. |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 2002. | rowspan=3 | 33 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 34 | rowspan=3 | Elected in 2004. | rowspan=6 | January 3, 2005 – Present | rowspan=6 | Republican | rowspan=6 align=right nowrap | 100px David Vitter ! rowspan=6 | 27 |- style="height:2em" | scope=row class=small | |- style="height:2em" | rowspan=3 | Re-elected in 2008. Lost re-election. | rowspan=3 | 34 | bgcolor=gray scope=row class=small | |- style="height:2em" | scope=row class=small | | rowspan=3 | 35 | rowspan=3 | Re-elected in 2010. |- style="height:2em" | bgcolor=gray scope=row class=small | |- style="height:2em" ! rowspan=3 | 27 | rowspan=3 align=left nowrap | 100px Bill Cassidy | rowspan=3 | Republican | rowspan=3 | January 3, 2015 – Present | rowspan=3 | Elected in 2014. | rowspan=3 | 35 | scope=row class=small | |- style="height:2em" | bgcolor=gray scope=row class=small | | rowspan=3 | 39 | rowspan=3 colspan=5 | To be determined in the 2016 election. |- style="height:2em" | scope=row class=small | |- style="height:2em" | colspan=5 | To be determined in the 2020 election. | 40 | bgcolor=gray scope=row class=small | |- valign=top ! # ! Senator ! Party ! Years in office ! Electoral history ! T e r m ! rowspan=2 | ! T e r m ! Electoral history ! Years in office ! Party ! Senator ! # |- valign=top ! colspan=6 | Class 2 ! colspan=6 | Class 3 |} 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of United States Senators from Louisiana」の詳細全文を読む スポンサード リンク
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