John Graham, son of John Graham of Wackenston and Margaret Graham, merchant, resided in Perthshire, before 1742 and settled in in Stafford County, Maryland then Prince William County Virginia. He m1. Christian Brown m2. Elizabeth C. Cocke, and fathered John, Duncan, Margaret, Robert, Mary, John William, Walter, Elizabeth, Catherine, Catesby and Jean.
John Graham (30 Apr 1718--Aug 1787), son of John Graham of Wakenston, Perthshire, Scotland, clerk of the Prince William County court, lived on the south side of Quantico Creek near Dumfries. He came to Virginia from Scotland about 1740 and acquired much land in Prince William County, including the tract on which Dumfries was established in 1749 (W.P.A. [1], 94). He married Elizabeth Catesby Cocke, daughter of William Cocke, secretary of state on 14 Dec 1746 [40]. He left issues, two of which are John Graham and George Graham who served under Jefferson, Madison and Monroe.