Many members of the Beall family were living at this time in Prince George’s and Frederick counties, Md. (brumbaugh description begins Gaius Marcus Brumbaugh. Maryland Records: Colonial, Revolutionary, County and Church, from Original Sources. 2 vols. 1915 and 1928. Reprint. Baltimore, 1975. description ends , 1–89, 177–257). The Mr. Beall who was at Mount Vernon today was probably Samuel Beall, Jr. (1740–1825), of Frederick County (see main entry for 27 Aug. 1770; mason [2] description begins Robert A. Rutland, ed. The Papers of George Mason, 1725–1792. 3 vols. Chapel Hill, N.C., 1970. description ends , 1:xxxiv; beall description begins Fielder M. M. Beall. Colonial Families of the United States Descended from the Immigrants Who Arrived Before 1700, Mostly from England and Scotland, and Who Are Now Represented by Citizens of the Following Names, Bell, Beal, Bale, Beale, Beall. Washington, D.C., 1929. description ends , 79–82).