found: Gott, J.K. High in Old Virginia's Piedmont, 1987:t.p. (Marshall (formerly Salem), Fauquier County, Va.) p. 75 (in Dec. 1881 the name of the town was chgd. from Salem [no publs. in L.C. data base] to Marshall. The decision to change arose from confusion with mail for the town of Salem, Roanoke County)
found: Rand McNally comm. atlas, 1985(Marshall, Fauquier County, Va.)
found: Heritage of Va., 1986:p. 151 (Marshall, Fauquier County; incorporated in 1796 as the village of Salem, the name was changed in 1882 to honor Chief Justice John Marshall)
found: GeoNames, algorithmically matched, 2009(ppl; 38°51ʹ53ʺN 077°51ʹ28ʺW)