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The following table indicates the party of elected officials in the U.S. state of Louisiana:

Governor
Lieutenant Governor
Secretary of State
Attorney General
State Treasurer
Auditor (until 1960) / Comptroller (1960–74; not an elected office after 1974)
Commissioner of Agriculture and Forestry
Commissioner of Insurance
Commissioner of Elections (office abolished; in existence 1960–2004)

The table also indicates the historical party composition in the:

For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.

1803–1903

Year	Executive offices							State Legislature		United States Congress			Electoral votes
Year	Governor		Lt. Governor		Secretary of State	Attorney General	Treasurer	State Senate	State House	U.S. Senator (Class II)	U.S. Senator (Class III)	U.S. House	Electoral votes
1803	William C. C. Claiborne (DR)^[a]		no such office		James Brown (DR)
1804							George W. Morgan
1805					John Graham (DR)
1806						James Brown (DR)
1807
1808
1809						François X. Martin (DR)
1810					Thomas B. Robertson (DR)	Louis Moreau-Lislet (DR)
1811					Thomas B. Robertson (DR)
1812					Louis B. Macarty (DR)^[b]		J. Montegut (DR)^[b]	DR majority	DR majority	Jean Noël Destréhan (DR)	Allan B. Magruder (DR)	Thomas B. Robertson (DR)	Madison/ Gerry (DR) Y
1812										Thomas Posey (DR)	Allan B. Magruder (DR)
1813						François X. Martin (DR)				James Brown (DR)	Eligius Fromentin (DR)
1814						François X. Martin (DR)	Jean Baptiste DeJean (DR)^[b]
1815						Étienne Mazureau (DR)		DR majority	DR majority
1816						Étienne Mazureau (DR)		DR majority	DR majority				Monroe/ Tompkins (DR) Y
1817	Jacques Villeré (DR)				Étienne Mazureau (DR)	Louis Moreau-Lislet (DR)		DR majority	DR majority	William C. C. Claiborne (DR)
1818						Louis Moreau-Lislet (DR)	Silve Arnaud^[b]	DR majority	DR majority	William C. C. Claiborne (DR)		Thomas Butler (DR)
1819						Thomas B. Robertson (DR)		DR majority	DR majority	Henry Johnson (DR)^[c]	James Brown (DR)
1820						Thomas B. Robertson (DR)		DR majority	DR majority
1821	Thomas B. Robertson (DR)^[d]				Pierre Derbigny (NR)	Étienne Mazureau (DR)		DR majority	DR majority			Josiah S. Johnston (DR)
1822								DR majority	DR majority			Josiah S. Johnston (DR)
1823								NR majority	NR majority			2NR, 1J
1824						Isaac Trimble Preston				Dominique Bouligny (DR)	Josiah S. Johnston (DR)		Adams/ Calhoun (NR) Y
1824	Henry S. Thibodaux (NR)^[e]									Dominique Bouligny (NR)	Josiah S. Johnston (NR)
1825	Henry Johnson (NR)							NR majority	NR majority
1826								NR majority	NR majority
1827								NR majority	J majority
1828						Alonzo Morphy	François Gardere^[b]	NR majority	J majority				Jackson/ Calhoun (J) Y
1829	Pierre Derbigny (NR)^[f]				George A. Waggaman (NR)^[b]			11W, 6D, 1?	26W, 21D, 3?	Edward Livingston (J)		1J, 1W, 1NR
1829	Arnaud Beauvais (NR)^[g]
1830	Jacques Dupré (NR)^[e]					George Eustis Sr. (W)
1831	André B. Roman (W)							W majority	W majority^[h]
1832					George Eustis Sr. (W)			W majority	W majority^[h]	George A. Waggaman (NR)			Jackson/ Van Buren (J) Y
1833						Étienne Mazureau (W)		W majority	D majority		Alexander Porter (NR)
1834								W majority	D majority
1835	Edward D. White Sr. (W)				Martin Blache			W majority	W majority^[i]
1836					Martin Blache			W majority	W majority^[i]	Robert C. Nicholas (J)			Van Buren/ Johnson (D) Y
1837					William C. C. Claiborne Jr.			D majority	D majority	Robert C. Nicholas (D)	Alexandre Mouton (D)	2W, 1J
1838					Alfred E. Forstall			D majority	D majority			2W, 1J
1839	André B. Roman (W)				Henry A. Bullard (W)			10W, 7D^[j]	31W, 17D, 2I			3W
1840					William Pierce (W)^[b]			10W, 7D^[j]	31W, 17D, 2I			3W	Harrison/ Tyler (W) Y
1841						Christian Roselius (W)	William DeBuys (W)^[b]	8W, 8D, 1?^[k]	26W, 14D, 10?	Alexander Barrow (W)	Charles Magill Conrad (W)	2W, 1D
1842						Christian Roselius (W)		8W, 8D, 1?^[k]	26W, 14D, 10?		Charles Magill Conrad (W)	2W, 1D
1843	Alexandre Mouton (D)					Isaac Trimble Preston		9W, 8D	34W, 26D		Henry Johnson (W)	4D
1844								9W, 8D	34W, 26D				Polk/ Dallas (D) Y
1845								9D, 8W^[k]	34W, 26D	Pierre Soulé (D)
1846	Isaac Johnson (D)				Charles Gayarré (D)	William Augustus Elmore (D)	Joseph Marshall Walker (D)^[b]	9D, 8W^[k]	34W, 26D	Pierre Soulé (D)
1847								20D, 12W^[l]	55D, 43W^[l]	Solomon W. Downs (D)
1848								17D, 15W	51W, 47D				Taylor/ Fillmore (W) Y
1849							P. E. D. Livaudais (D)^[b]	17D, 15W	51W, 47D		Pierre Soulé (D)	3D, 1W
1850	Joseph Marshall Walker (D)					Isaac Johnson (D)	Charles Greneaux (D)^[b]	18D, 14W	54W, 43D			3D, 1W
1851							Charles Greneaux (D)^[b]	18D, 14W	54W, 43D			2D, 2W
1852							George C. McWhorter (D)^[b]	16D, 16W^[m]	53W, 44D			2D, 2W	Pierce/ King (D) Y
1853	Paul Octave Hébert (D)		William Wood Farmer (D)		Andrew S. Herron (D)			19W, 17D^[n]	50D, 41KN^[n]	Judah P. Benjamin (W)		4D
1854			William Wood Farmer (D)			Isaac E. Morse (D)		20D, 12W	60D, 37W		John Slidell (D)	4D
1855			Robert C. Wickliffe (D)			Isaac E. Morse (D)	Robert A. Hunter (D)	20D, 12W	60D, 37W			3D, 1KN
1856	Robert C. Wickliffe (D)		Charles Homer Mouton (D)			Edwin Warren Moïse (D)		18D, 12KN, 1AA, 1 vac.	47D, 41KN				Buchanan/ Breckinridge (D) Y
1857								18D, 12KN, 1AA, 1 vac.	47D, 41KN
1858								23D, 9KN	49D, 37KN, 1IW, 1 tie
1859			William F. Griffin (D)					23D, 9KN	49D, 37KN, 1IW, 1 tie	Judah P. Benjamin (D)
1860	Thomas O. Moore (D)		Henry M. Hyams (D)		Pliny D. Hardy (D)	Thomas Jenkins Semmes (D)	B. L. DeFreeze (D)	21D, 6KN, 3O, 1I, 1 vac.	59D, 18KN, 9O, 9I, 3?	Judah P. Benjamin (D)			Breckinridge/ Lane (SD) N
1861			Henry M. Hyams (D)					21D, 6KN, 3O, 1I, 1 vac.	59D, 18KN, 9O, 9I, 3?	American Civil War
1862			Henry M. Hyams (D)^[o]	James Madison Wells (UD)^[p]				American Civil War
1862	Thomas O. Moore (D)^[o]	George Foster Shepley (M/D)^[p]
1863
1864			Benjamin W. Pearce (D)^[o]	Albert Voorhies (D)^[p]		F. S. Goode (D)							No Electors Counted
1864	Henry Allen (D)^[o]^[q]	Michael Hahn (U)^[p]^[r]
1865	Henry Allen (D)^[o]^[q]	Michael Hahn (U)^[p]^[r]
1865	James Madison Wells (UD)^[s]^[t]^[u]				Stanislas Wrotnowski (UD)		Adam Giffin (UD)
1866			vacant			Andrew S. Herron (D)		32N	98N
1867						Andrew S. Herron (D)
1867	Benjamin Flanders (R)^[t]^[v]^[w]				George E. Bovee (R)^[x]	B. L. Lynch (R)				John S. Harris (R)	William Pitt Kellogg (R)	3R, 1D, 1 vac.
1868	Joshua Baker (UD)^[t]^[v]^[y]		Oscar Dunn (R)				Antoine Dubuclet (R)						Seymour/ Blair (D) N
1868	Henry C. Warmoth (R)^[z]
1869						Simeon Beldon (R)		20R, 16D	56R, 45D			4R, 1 vac.
1870								20R, 16D	56R, 45D			5R
1871								29R, 7D	74R, 29D, 2 vac.	J. R. West (R)
1872			P. B. S. Pinchback (R)
1872	P. B. S. Pinchback (R)^[s]		vacant		Francis J. Herron (R)						vacant		Grant/ Wilson (R) Y
1873	John McEnery (D)^[aa]	William Pitt Kellogg (R)^[aa]	Caesar Antoine (R)		Jack Wharton (R)	Alexander Pope Field (R)		disputed^[ab]	disputed^[ab]			6R
1873	William Pitt Kellogg (R)				Jack Wharton (R)
1874					Pierre G. Deslondes (R)
1875								27R, 9D^[ac]	63D, 47R^[ac]			3D, 3R
1876						William H. Hunt (R)		27R, 9D^[ac]	63D, 47R^[ac]		James B. Eustis (D)	4D, 2R	Hayes/ Wheeler (R) Y
1877	Stephen B. Packard (R)^[ad]	Francis T. Nicholls (D)^[ae]	Louis A. Wiltz (D)			Hiram R. Steele (D)		20D, 16R	64D, 42R, 4 vac.	William Pitt Kellogg (R)
1877	Francis T. Nicholls (D)					Hiram R. Steele (D)
1878					Will A. Strong (D)	Horatio Nash Ogden (D)	Edward A. Burke (D)					6D
1879								26D, 10R	75D, 16R, 2GB, 1I		Benjamin F. Jonas (D)
1880	Louis A. Wiltz (D)^[f]		Samuel D. McEnery (D)					26D, 10R	75D, 16R, 2GB, 1I				Hancock/ English (D) N
1881	Louis A. Wiltz (D)^[f]		William A. Robertson (D)			James C. Egan (D)		32D, 4R^[af]	74D, 24R^[af]
1881	Samuel D. McEnery (D)^[ag]		William A. Robertson (D)									5D, 1R
1882			George L. Walton (D)
1883			George L. Walton (D)							Randall L. Gibson (D)
1884			Clay Knobloch (D)		Oscar Arroyo (D)	Joe Cunningham (D)		31D, 5R^[ah]	85D, 13R^[ah]				Cleveland/ Hendricks (D) Y
1885											James B. Eustis (D)
1886												6D
1887
1888	Francis T. Nicholls (D)		James Jeffries (D)		Leonard F. Mason (D)	Walter H. Rogers (D)	William Henry Pipes (D)	33D, 5R	86D, 12R				Cleveland/ Thurman (D) N
1889												5D, 1R
1890												5D, 1R
1891											Edward Douglass White (D)	6D
1892	Murphy J. Foster (D)		Charles Parlange (D)		T. S. Adams (D)	Joe Cunningham (D)	John Pickett(D)	38D	96D, 2R	Donelson Caffery (D)			Cleveland/ Stevenson (D) Y
1893			Hiram R. Lott (D)
1894			Hiram R. Lott (D)								Newton C. Blanchard (D)
1895			Robert H. Snyder (D)
1896					John T. Michel (D)		Alexander V. Fournet (D)	32D, 4R, 2Pop	60D, 24R, 14Pop				4 – Bryan/ Sewall (D) N 4 – Bryan/ Watson (Pop) N
1897											Samuel D. McEnery (D)
1898
1899
1900	William Wright Heard (D)		Albert Estopinal (D)			Walter Guion (D)	LeDoux E. Smith (D)	39D	98D				Bryan/ Stevenson (D) N
1901										Murphy J. Foster (D)
1902
1903			H. C. Cage (D)									7D

1904–1951

Year	Executive offices								State Legislature		United States Congress			Electoral votes
Year	Governor	Lt. Governor	Secretary of State	Attorney General	Treasurer	Ag. & Forest Comm.	Register of Lands	Supt. of Education	State Senate	State House	U.S. Senator (Class II)	U.S. Senator (Class III)	U.S. House	Electoral votes
1904	Newton C. Blanchard (D)	Jared Y. Sanders Sr. (D)	John T. Michel (D)	Walter Guion (D)	James M. Smith (D)			James Benjamin Aswell (D)	39D	98D	Murphy J. Foster (D)	Samuel D. McEnery (D)	7D	Parker/ Davis (D) N
1905
1906
1907
1908	Jared Y. Sanders Sr. (D)^[ai]	Paul M. Lambremont (D)			O. B. Steele (D)		Fred J. Grace	T. H. Harris (D)	41D	114D				Bryan/ Kern (D) N
1909
1910												John Thornton (D)
1911
1912	Luther E. Hall (D)	Thomas C. Barret (D)	Alvin Hebert (D)	Ruffin G. Pleasant (D)	LeDoux E. Smith (D)				39D, 2I	118D				Wilson/ Marshall (D) Y
1913											Joseph E. Ransdell (D)		8D
1914													8D
1915			W. F. Millsaps (D)									Robert F. Broussard (D)	7D, 1Prog
1916	Ruffin G. Pleasant (D)	Fernand Mouton (D)	James J. Bailey (D)	Adolphe V. Coco (D)	Henry Hunsicker (D)	Harry Wilson (D)			36D, 5Prog	106D, 12Prog		Robert F. Broussard (D)
1917												Walter Guion (D)
1918												Walter Guion (D)
1919												Edward J. Gay (D)	8D
1920	John M. Parker (D)	Hewitt Bouanchaud (D)			Howell Morgan (D)				41D	118D		Edward J. Gay (D)		Cox/ Roosevelt (D) N
1921												Edwin S. Broussard (D)
1922
1923
1924	Henry L. Fuqua (D)^[f]	Delos R. Johnson (D)		Percy Saint (D)	L. B. Baynard Jr. (D)				39D	101D				Davis/ Bryan (D) N
1924		Oramel H. Simpson (D)
1925		Oramel H. Simpson (D)
1926		Philip H. Gilbert (D)
1926	Oramel H. Simpson (D)^[s]
1927	Oramel H. Simpson (D)^[s]
1928	Huey Long (D)^[aj]^[ak]	Paul N. Cyr (D)			Haney B. Connor (D)									Smith/ Robinson (D) N
1929
1930			Alice Lee Grosjean (D)
1931			Alice Lee Grosjean (D)				Lucille May Grace (D)				vacant^[al]
1932	Alvin Olin King (D)^[am]	John B. Fournet (D)	E. A. Conway (D)	Gaston L. Porterlie (D)	Jess S. Cave (D)						Huey Long (D)^[f]			Roosevelt/ Garner (D) Y
1932	Oscar K. Allen (D)^[f]
1933												John H. Overton (D)
1934
1935		James A. Noe (D)
1936	James A. Noe (D)^[s]	Earl Long (D)			A. P. Tugwell (D)						Rose McConnell Long (D)
1936	Richard W. Leche (D)^[an]										Rose McConnell Long (D)
1937											Allen J. Ellender (D)
1938
1939		Coleman Lindsey (D)		James Ellison (D)
1939	Earl Long (D)^[s]	Coleman Lindsey (D)		Lessley Gardiner (D)
1940	Sam H. Jones (D)	Marc M. Mouton (D)	Jack Gremillion (D)	Eugene Stanley (D)				John E. Coxe (D)						Roosevelt/ Wallace (D) Y
1941
1942
1943
1944	Jimmie Davis (D)	J. Emile Verret (D)	Wade O. Martin Jr. (D)	Fred S. LeBlanc (D)										Roosevelt/ Truman (D) Y
1945
1946
1947
1948	Earl Long (D)	Bill Dodd (D)		Bolivar E. Kemp (D)		Millard Perkins (D)		Shelby M. Jackson (D)				William C. Feazel (D)^[b]		Thurmond/ Wright (Dix) N
1949						W. E. Anderson (D)						Russell B. Long (D)
1950
1951

1952–2003

Year	Executive offices											State Legislature		United States Congress			Electoral votes
Year	Governor	Lt. Governor	Sec. of State	Attorney General	Treasurer	Auditor/ Comptroller	Ag. & Forest Comm.	Ins. Comm.	Comm. of Elections	Registrar of Lands	Supt. of Ed.	State Senate	State House	U.S. Senator (Class II)	U.S. Senator (Class III)	U.S. House	Electoral votes
1952	Robert F. Kennon (D)	C. E. Barham (D)	Wade O. Martin Jr. (D)	Fred S. LeBlanc (D)	A. P. Tugwell (D)	Allison Kolb (D)	Dave L. Pearce (D)	no such office	no such office	Ellen Bryan Moore (D)	Shelby M. Jackson (D)	39D	101D	Allen J. Ellender (D) ^[f]	Russell B. Long (D)	8D	Stevenson/ Sparkman (D) N
1953
1954
1955
1956	Earl Long (D)	Lether Edward Frazar (D)		Jack Gremillion (D)		Bill Dodd (D)	Sidney McCrory (D)		appointed	Lucille May Grace (D)							Eisenhower/ Nixon (R) Y
1957								Rufus D. Hayes (D)		vacant
1958
1959
1960	Jimmie Davis (D)	Taddy Aycock (D)				Roy R. Theriot (D)	Dave L. Pearce (D)		Douglas Fowler (D)	Ellen Bryan Moore (D)							Kennedy/ Johnson (D) Y
1961
1962
1963
1964	John McKeithen (D)^[ao]							Dudley A. Guglielmo (D)			Bill Dodd (D)		103D, 2R^[ap]				Goldwater/ Miller (R) N
1965													103D, 2R^[ap]
1966													102D, 3R^[aq]
1967													101D, 4R^[ar]
1968					Mary Evelyn Parker (D)								105D				Wallace/ LeMay (AI) N
1969													105D
1970												38D, 1R^[as]	104D, 1R^[at]
1971												38D, 1R^[as]	104D, 1R^[at]
1972	Edwin Edwards (D)	Jimmy Fitzmorris (D)		William J. Guste (D)				Sherman A. Bernard (D)			Louis J. Michot (D)	39D	101D, 4R	Elaine Edwards (D)^[b]			Nixon/ Agnew (R) Y
1973														J. Bennett Johnston (D)		7D, 1R
1974						appointed										7D, 1R
1975																6D, 2R
1976			Paul Hardy (D)				Gil Dozier (D)			appointed	J. Kelly Nix (D)	38D, 1R^[au]					Carter/ Mondale (D) Y
1977													99D, 6R^[av]
1978													98D, 7R^[aw]
1979													98D, 7R^[aw]			5D, 3R
1980	Dave Treen (R)	Robert Louis Freeman Sr. (D)	Jim Brown (D)				Bob Odom (D)		Jerry Fowler (D)			39D	95D, 10R^[ax]			5D, 3R	Reagan/ Bush (R) Y
1981																6D, 2R
1982
1983
1984	Edwin Edwards (D)										Thomas Clausen (D)	37D, 2R^[ay]	93D, 11R, 1I
1985
1986
1987															John Breaux (D)	5D, 3R
1988	Buddy Roemer (D)	Paul Hardy (R)	W. Fox McKeithen (D)		Mary Landrieu (D)			Douglas D. Green (D)			appointed	34D, 5R	88D, 16R, 1I			5D, 3R	Bush/ Quayle (R) Y
1989			W. Fox McKeithen (D)													4D, 4R
1989			W. Fox McKeithen (R)^[az]
1990
1991	Buddy Roemer (R)^[ba]
1992	Edwin Edwards (D)	Melinda Schwegmann (D)		Richard Ieyoub (D)				Jim Brown (D)				33D, 6R	87D, 17R, 1I				Clinton/ Gore (D) Y
1993																4D, 3R
1994																4D, 3R
1995																5R, 2D
1996	Mike Foster (R)	Kathleen Blanco (D)			Ken Duncan (D)							26D, 13R	78D, 27R
1997														Mary Landrieu (D)
1998
1999
2000					John Kennedy (D)				Suzanne Haik Terrell (R)				74D, 31R				Bush/ Cheney (R) Y
2001								J. Robert Wooley (D)
2002
2003																4R, 3D

2004–present

Year	Executive offices							State Legislature		United States Congress			Electoral votes
Year	Governor	Lt. Governor	Secretary of State	Attorney General	Treasurer	Ag. and For. Comm.	Ins. Comm.	State Senate	State House	U.S. Senator (Class II)	U.S. Senator (Class III)	U.S. House	Electoral votes
2004	Kathleen Blanco (D)	Mitch Landrieu (D)^[bb]	W. Fox McKeithen (R)^[f]	Charles Foti (D)	John Kennedy (D)	Bob Odom (D)	J. Robert Wooley (D)^[bc]	24D, 15R	66D, 37R, 2I	Mary Landrieu (D)	John Breaux (D)	4R, 3D	Bush/ Cheney Y
2005			W. Fox McKeithen (R)^[f]				J. Robert Wooley (D)^[bc]				David Vitter (R)	5R, 2D
2006			Al Ater (D)^[bd]				Jim Donelon (R)
2007			Jay Dardenne (R)
2008	Bobby Jindal (R)			Buddy Caldwell (D)	John Kennedy (R)^[be]	Michael G. Strain (R)		23D, 16R	53D, 50R, 2I			4R, 3D^[bf]	McCain/ Palin (R) N
2009									53D, 50R, 2I^[bg]			6R, 1D
2010		Scott Angelle (D)
2010		Scott Angelle (R)^[bh]
2011		Jay Dardenne (R)	Tom Schedler (R)^[w]	Buddy Caldwell (R)^[bi]				22R, 17D^[bj]	55R, 46D, 4I^[bk]
2012								24R, 15D	58R, 45D, 2I				Romney/ Ryan (R) N
2013								24R, 15D	58R, 45D, 2I			5R, 1D
2014								26R, 13D	59R, 44D, 2I
2015								26R, 13D	59R, 44D, 2I	Bill Cassidy (R)
2016	John Bel Edwards (D)	Billy Nungesser (R)		Jeff Landry (R)				25R, 14D	61R, 42D, 2I				Trump/ Pence (R) Y
2017					Ron Henson (R)^[bl]				61R, 41D, 3I		John Kennedy (R)
2018			Kyle Ardoin (R)^[bm]		John Schroder (R)				61R, 41D, 3I
2019									61R, 39D, 5I
2020								27R, 12D	68R, 35D, 2I				Trump/ Pence (R) N
2021									68R, 35D, 2I
2021									68R, 34D, 3I^[bn]
2022									68R, 34D, 3I^[bn]
2022									69R, 34D, 2I^[bn]
2023
2023									71R, 33D, 1I^[bo]
2024	Jeff Landry (R)		Nancy Landry (R)	Liz Murrill (R)	John Fleming (R)		Tim Temple (R)	28R, 11D	73R, 32D

Key to party colors and abbreviations for members of the U.S. Congress and other politicians or officials

Alaskan Independence (AKIP)
Know Nothing (KN)
American Labor (AL)
Anti-Jacksonian (Anti-J) National Republican (NR)
Anti-Administration (AA)
Anti-Masonic (Anti-M)
Conservative (Con)
Covenant (Cov)

Democratic (D)
Democratic–Farmer–Labor (DFL)
Democratic–NPL (D-NPL)
Dixiecrat (Dix), States' Rights (SR)
Democratic-Republican (DR)
Farmer–Labor (FL)
Federalist (F) Pro-Administration (PA)

Free Soil (FS)
Fusion (Fus)
Greenback (GB)
Independence (IPM)
Independent Democrat (ID)
Independent Republican (IR)
Jacksonian (J)
Liberal (Lib)

Libertarian (L)
National Union (NU)
Nonpartisan League (NPL)
Nullifier (N)
Opposition Northern (O) Opposition Southern (O)
Populist (Pop)
Progressive (Prog)

Prohibition (Proh)
Readjuster (Rea)
Republican (R)
Silver (Sv)
Silver Republican (SvR)
Socialist (Soc)
Union (U)
Unconditional Union (UU)

Vermont Progressive (VP)
Whig (W)
Independent (I)
Nonpartisan (NP)

^ From 1804 to 1812, what would later become the State of Louisiana was known as the Territory of Orleans. The contemporary Louisiana Territory was to the north and did not include modern Louisiana.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ Appointed by governor.
^ Resigned to become governor.
^ Resigned to take a seat on the United States District Court for the District of Louisiana.
^ ^a ^b As president of the state Senate, acted as governor for unexpired term.
^ ^a ^b ^c ^d ^e ^f ^g Died in office.
^ As president of the state Senate, acted as governor until his term as Senate president expired.
^ Elected a Democrat, Alexandre Mouton, as a minority-party Speaker.
^ Elected a Democrat, Alcée Louis la Branche, as a minority-party Speaker.
^ May have been 11W, 6D.
^ ^a ^b A Whig, Felix Garcia, was elected as Senate President.
^ ^a ^b With the Constitution of 1845 going into effect, each legislator elected in 1846 only served a one-year term.
^ The Lt. Governor, Jean Baptiste Plauché, broke the tie and the Democrats organized the chamber.
^ ^a ^b With the Constitution of 1852 going into effect, each legislator elected that year only served a one-year term.
^ ^a ^b ^c ^d Of Confederate-held territory in Louisiana.
^ ^a ^b ^c ^d Of Union-held territory in Louisiana.
^ Removed from office after the Union took control of Louisiana following the surrender of the Confederacy; moved to Mexico City.
^ Resigned to take a seat in the United States Senate, but was denied his seat, Louisiana having not yet been readmitted to the Union.
^ ^a ^b ^c ^d ^e As lieutenant governor, acted as governor for unexpired term.
^ ^a ^b ^c Reconstruction-era governor subordinate to U.S. military rule.
^ Removed from office by General Philip Sheridan, who held Wells accountable for the unstable political conditions stemming from the granting of suffrage to Blacks.
^ ^a ^b Appointed military governor.
^ ^a ^b Resigned.
^ Was removed from office by Governor Warmoth for misfeasance.
^ When Louisiana was readmitted to the Union, Baker and General Winfield Scott Hancock, who had appointed him, were removed from power in the state.
^ Impeached but never convicted; however, Warmoth was still removed from office with 35 days remaining in his term. All charges were later expunged.
^ ^a ^b The State Returning Board declared McEnery the winner over William Pitt Kellogg in 1872, but a second election board was formed that declared Kellogg the winner. Both men were sworn into office on the same day by opposing legislatures. After armed skirmishes erupted, President Ulysses S. Grant stepped in, declaring Kellogg the winner on September 20, 1873.
^ ^a ^b Due to the opposing election boards, two separate and competing legislatures were sworn in: one Democratic, and one Republican
^ ^a ^b To resolve the conflict with the two competing legislatures in what was known as the Wheeler Compromise, control of the Senate was given to the Republicans and control of the House was given to the Democrats.
^ Packard was the Radical Republican candidate for governor in 1876. In a disputed outcome, both Packard and his Democratic opponent, Francis T. Nicholls, were inaugurated. Nicholls had led in the balloting by eight thousand votes, but the Republican-controlled State Returning Board cited fraud and declared Packard the victor. Former governor P. B. S. Pinchback, however, refused to support fellow Republican Packard, and instead endorsed Nicholls.
^ Won the 1876 election over Stephen B. Packard, but the Republican-controlled State Returning Board declared Packard the winner. Nicholls took office anyway and assembled a government that was eventually recognized by the federal government as the proper state government.
^ ^a ^b Starting with this election, senators and representatives were all elected at the same time to 4-year terms.
^ As lieutenant governor, acted as governor for unexpired term and was later elected in his own right.
^ ^a ^b Due to a state constitutional amendment, elections to the legislature were moved up to April every fourth year.
^ Elected to the United States Senate but refused the seat, choosing to remain governor.
^ Impeached on charges of bribery and corruption, but not convicted.
^ Resigned to take an elected seat in the United States Senate; was elected to the Senate in 1930, but did not take office until 1932, preferring to remain in office as governor.
^ Governor Huey Long was elected to the U.S. Senate in 1930 but delayed taking office until 1932 so his Lieutenant Governor, Paul N. Cyr, would not take over as Governor.
^ Paul N. Cyr was lieutenant governor under Long and stated that he would succeed Long when Long left for the Senate, but Long demanded Cyr forfeit his office. King, as president of the state Senate, was elevated to lieutenant governor and later governor.
^ Resigned due to a fraud scandal; was later convicted of mail fraud and served five years in prison. He was pardoned by President Harry S. Truman in 1953.
^ First governor elected to consecutive terms after the 1921 constitution was amended in 1966 to allow governors to serve two consecutive terms.
^ Morley Hudson and Taylor O'Hearn were the first Republicans elected to the Legislature in the 20th century.^[1]
^ Roderick Miller was elected in a special election.^[2]
^ Edward Clark Gaudin was elected in a special election.^[2]
^ A.C. Clemons switched parties from Democratic to Republican, becoming the first Republican in the State Senate in the 20th century.
^ James Sutterfield was elected in a special election from Orleans Parish, becoming the first Republican to do so in the 20th century.^[2]
^ Edwards Barham became the first Republican elected to the State Senate in the 20th century.^[3]
^ A.J. McNamara and Lane A. Carson switched parties from Democratic to Republican.
^ Michael F. Thompson switched parties from Democratic to Republican.
^ Ed Scogin switched parties from Democratic to Republican just before the start of the new session.
^ Ken Hollis was elected as a Republican, and Ken Osterberger switched parties after the election from Democratic to Republican.
^ Switched parties in 1989.
^ Elected as a Democrat in 1987 but switched parties to Republican in 1991.
^ Resigned May 3, 2010 to become Mayor of New Orleans.
^ Acting Commissioner from 2000 to 2003. Resigned February 15, 2006.
^ Acting Secretary of State through his entire tenure.
^ Kennedy switched parties from Democratic to Republican on August 27, 2007.
^ Republican Rep. Bobby Jindal resigned in 2008 to become Governor of Louisiana and Richard Baker resigned in early 2008 to become a lobbyist. Republican Steve Scalise and Democrat Don Cazayoux won special elections in May to succeed them, respectively.
^ Michael L. Jackson switched parties from Democratic to Independent after the 2008 legislative session before a run for the United States House of Representatives.
^ Appointed Lieutenant Governor on May 12, 2010 as a Democrat, Angelle switched parties and became a Republican on October 26. His term as Lieutenant Governor ended on November 22, 2010.
^ Switched parties from Democratic to Republican on February 11, 2011.
^ A combination of special elections and party switches flipped the chamber to Republican control prior to the legislative session.
^ Six Democratic representatives switched parties in the lead-up to the 2011 legislative session, giving the Republicans the majority in the chamber. One Republican representative switched to Independent.
^ Acting Treasurer from January 9, 2018 to November 18, 2017.
^ Acting Secretary of State from May 9 to May 23, 2018. Confirmed Secretary of State from then onward.
^ ^a ^b Malinda White switched parties from Democratic to Independent on July 1, 2021, then switched from Independent to Republican on June 14, 2022.
^ Francis C. Thompson and Jeremy LaCombe switched parties from Democratic to Republican on March 16, 2023 and April 10, 2023, respectively. Mandie Landry switched parties from Independent to Democratic on March 29, 2023.