I found that the wife of John T. Burton (1831-1864) was Ann Barco, sister of Julia Barco.Look at my notes below.
1850: John Burton (M19) appears within the family of Dempsey (M52) and Margaret (F26) Burton in Poplar Branch District in Currituck Co, NC census, page 201. Ann Barcow (F17) appears within the family of Elihu (M37) and Penelopy (F37) Woodhouse also on page 201. July Barcow (F15) appears within the family of July Mercer (F60), July Heath (F35), Elizabeth Heath (F30) on page 200B.
3/13/1856: Dempsey Burton sold to Albemarl and Chesapeak Canal Company, for $1, 50 feet on each side of the center of the said canal between, land now owned by Lancelot Poyner and Nathan Poyner on the south; Levi Walker on the north; als (sic) another piece of land on the north of the road leadend to Powells Point of equal width as the forgoing between the lands now owned by Levi Walker on the south and those of Charles R. Walker on the north. Wit: Levi Walker, John Burton. Recorded in Currituck Co, NC Deed Book 27, page 458.
1/31/1856: John Burton sold to Edmund Simmons, for $510, a negro man named Wilson, which came to me by my wife Ann Barker (should be Barco), being 1/2 of said negro Wilson and the other half belonging to Julia Barker, sister to my wife said Ann. Wit: W. Geo Granbury. Recorded in Currituck Co, NC Deed Book 27, page 382.
1860: John (M26) and Ann (F26) Berten appear as heads of a family in Narrow Shore District-Poplar Branch in Currituck Co, NC census, page 302. Children: Martha (F6). Julia Barco (F23) appears within the family of Julia (F50) and Elizabeth (F40) Heath in Coinjock District in Currituck Co, NC census, page 298B.
8/5/1861: John T. Burton, age 30, enlisted as a private into Company B, NC 8th Infantry Regiment.
5/31/1864: Listed as a POW at Cold Harbor, VA.
7/8/1864: Transferred to Elmira, NY as a POW.
11/5/1864: Died of chronic diarrhea as a POW.
1870: Martha Burton (F16) appear within a family of children in Crawford Township-Powell's Point in Currituck Co, NC census, page 103. Children: Julia Heath (F13), Betsey Heath (F8), Julia Barco (F19), Martha Burton (F16).