Col. James Johnson (b. 1736) lived in Frederick County, Md., and helped to manage several furnaces and forges owned by the Johnson family both there and in Loudoun County, Va. He served during the Revolution as colonel of a battalion of infantry in the Flying Camp (DELAPLAINE description begins Edward S. Delaplaine. The Life of Thomas Johnson: Member of the Continental Congress, First Governor of the State of Maryland, and Associate Justice of the United States Supreme Court. New York, 1927. description ends , 13–14; WILLIAMS [2] description begins Thomas J. C. Williams. A History of Washington County, Maryland, from the Earliest Settlements to the Present Time. 2 vols. 1906. Reprint. Baltimore, 1968. description ends , 1062).

Thomas Beall, son of George Beall, signed his name “Thomas Beall of George” to distinguish himself from other contemporary Thomas Bealls. A commissioner for Georgetown and a local landholder, Beall was a member of the Potowmack Company (ECKER description begins Grace Dunlop Ecker. A Portrait of Old George Town. Richmond, Va., 1951. description ends , 10; BACON-FOSTER description begins Corra Bacon-Foster. Early Chapters in the Development of the Patomac Route to the West. Washington, D.C., 1912. description ends , 59). Mr. Johns was probably Thomas Johns, a merchant of Georgetown, who had been a member of the pre-Revolution Potomac navigation project (Va. Gaz., D&H, 7 Jan. 1775; HEADS OF FAMILIES, MD. description begins Heads of Families at the First Census of the United States Taken in the Year 1790: Maryland. 1907. Reprint. Baltimore, 1965. description ends , 86).

The 1790 federal census of Montgomery County, Md., shows no Goldsboroughs, but does list the household of Jonathan Goldsberry, with three adult males, one female, and seven slaves (HEADS OF FAMILIES, MD. description begins Heads of Families at the First Census of the United States Taken in the Year 1790: Maryland. 1907. Reprint. Baltimore, 1965. description ends , 87).