William Sydney Wilson

William Sydney Wilson (November 7, 1816 – November 3, 1862) was an Mississippi politician, Confederate Congressman, and soldier who died in the American Civil War.

Biography William Sydney Wilson, the son of Ephraim King Wilson and brother of Ephraim King Wilson II was born in Snow Hill, Maryland, and later moved to Mississippi. Wilson settled in Port Gibson, practiced law, and served as a member of the Mississippi State Legislature from 1858 to 1859 and 1860 to 1861.

A proponent of secession, following Mississippi's withdrawal from the Union in January 1861 Wilson was selected to represent the state in the Provisional Congress of the Confederate States. Wilson took part in battles in Virginia and Maryland as part of the Army of Northern Virginia. He was mortally wounded at the Battle of Antietam on September 17, 1862, and died on November 3.