VA. Apparently he and Margaret followed several other family membersw ho moved south.
Augusta Co, VA court records contain references to Andrew:
5/4/1791 He was Teste to the will of a Patrick Ryndle (Reynolds)along w ith John and Siva Workman. He and John Workman proved thewill on 6/21 /1791.
Augusta Co, VA court records, in the matter of a land dispute, has ade position by a Wm Wardlow in Rockbridge VA, 10/7/1818, that "Bowyersold t o Andrew McElvain his widow left the country."
His Grandfather Duffield mentioned him in his will.