Charles Clark was the 24th governor of Mississippi from 1863 to 1865.

John Jones Pettus was an American politician, lawyer, and slave owner who served as the 23rd Governor of Mississippi, from 1859 to 1863. Before being elected in his own right to full gubernatorial terms in 1859 and 1861, he served as acting governor from January 5 to 10, 1854, following the resignation of Henry S. Foote. A member of the Democratic Party, Pettus had previously been a Mississippi state representative, a member and president of the Mississippi State Senate. He strongly supported Mississippi's secession from the United States in 1861 and sought cooperation with the Confederate States of America.