John Allen Wilcox (Congressional Biographical Directory)
Reference
WILCOX, John A., a Representative from Mississippi; born in Greene County, N.C., April 18, 1819; moved to Tennessee; attended the common schools; moved to Mississippi and settled in Aberdeen; secretary of the State senate; served in the Mexican War as lieutenant, adjutant, and lieutenant colonel; elected as a Unionist to the Thirty-second Congress (March 4, 1851-March 3, 1853); unsuccessful candidate for reelection in 1852 to the Thirty-third Congress; moved to Texas in 1853; member of the Confederate Congress; died in Richmond, Va., February 7, 1864; interment in Hollywood Cemetery.
"Wilcox, John A.," Biographical Directory of the United States Congress, 1774 to Present, http://bioguide.congress.gov/scripts/biodisplay.pl?index=W000457.