(10.) Susan Mary Cupp b. Nov 1832, Montgomery County, married Isaac McMahan 16
Sep 1850, in Montgomery County. Isaac and Susan sold their share of Jacob's
land to James Cupp. They were living in Monroe County when the Chancery suit
was initiated in 1863.
Monroe County, Va. 1860 Census
Isaac McMahan, 35
Susan M. McMahan, 28
William J. W. McMahan, 7
Monroe County, WVa. 1870 Census:
Isaac McMahan, 48
Susan M. McMahan, 39
William J. McMahan, 17
Montgomery County, Va. 1880 Census:
Isaac McMahan, Head, 53
Susan M. McMahan, wife, 48
William McMahan, son, 27
Jane McMahan, daughter-in-law, 26
Luther J. McMahan, G. Son, 3
http://files.usgwarchives.net/va/montgomery/bios/cupp3.txt