(6.) Margaret Ann Cupp b. in Botetourt or Montgomery abt. 1817, d. 15 Aug 1901,
in Monroe County, WV, married Washington McMahan gs/o of John F. & Mary -?-
McMahan, 13 Jun 1837, in Monroe County, Va. Washington and Ann sold their share
of Jacob's land to James Cupp.
Montgomery County, Va., 1850 Census
Washington McMahan, 36
Ann McMahan, 33
Harriet McMahan, 14
Jacob McMahan, 10
William McMahan, 10
Mary McMahan, 8
Lucretia McMahan, 7
Harvey McMahan, 4
Olivia McMahan, 3
John McMahan, 2 (John Washington McMahan)
James Edward McMahan b. ca. 1861 another son, per Montgomery County, Va.
records.
http://files.usgwarchives.net/va/montgomery/bios/cupp3.txt