William Sydney Wilson (November 7, 1816 – November 3, 1862) was an American politician. Biography He was born in Snow Hill, Maryland, and later moved to Mississippi. He was the son of Ephraim King Wilson and brother to Ephraim King Wilson II. He was a member of the Mississippi State Legislature from 1858 to 1859 and 1860 to 1861. He represented the state in the Provisional Congress of the Confederate States from February 4, 1861, to March 16, 1861. He later joined the Confederate States Army and was mortally wounded at the Battle of Antietam. References External links 1816 births 1862 deaths 19th-century American politicians Burials in Maryland Deputies and delegates to the Provisional Congress of the Confederate States Members of the Mississippi Legislature People from Snow Hill, Maryland People of Mississippi in the American Civil War Signers of the Confederate States Constitution Signers of the Provisional Constitution of the Confederate States United States politicians killed during the Civil War