1864-1865
Henry Watkins Allen - Democrat *
(*Allen was elected as the "Know Nothing" American Party candidate and later joined the Democratic Party)
1862-1864
Gen. George F. Shepley - Democrat (Unionist)
(Shepley was appointed Military Governor by his friend Gen. Benjamin Butler, for the parishes under Federal control.)
1864-1865
Michael Hahn - Free State Party
(Hahn was elected as Civil Governor on the Free State ticket in the area of the state controlled by Federal troops. He resigned in 1865 to take a U.S. Senate seat but was not seated by the Radical Congress.)
1865-
James Madison Wells - Republican
(As Lt. Governor, Wells succeeded when Hahn advanced to U.S. Senate)
1865-1867
James Madison Wells - Republican
(Wells was removed from office on June 3, 1867 by Gen. Sheridan.)
1868-
Joshua Baker - Democrat (Unionist)
(Baker was appointed by Gen. Hancock and removed by Gen. Grant)
1868-1872
Henry Clay Warmoth - Republican
(He was elected under Constitution of 1868 and was appointed Governor prior to inauguration by Gen. U.S. Grant after the removal of Baker. Warmoth was impeached in December 1872.)
1872-
John McEnery - Democrat; Liberal Republican
(The Warmouth-controlled elections board declared McEnery the winner against Kellogg; a rival board declared Kellogg the winner. Warmouth was impeached and Pinchback served as governor for 35 days. Gen. Grant then seated Kellogg with Federal protection.)
1872-1873
P. B. S. Pinchback- Republican
(Pinchback, an African American, was the acting Lt. Governor and succeeded after the impeachment of Warmoth; he served for 35 days.)
1872-1877
William Pitt Kellogg - Republican
(He was declared elected by Gen. U.S. Grant over Democrat McEnery who received the most votes.)