Born on 21 Dec 1838 in Seneca County New York, George Washington Countryman was a son of Isaac Countryman and Ellen (Voorhees) Countryman. Ellen (Voorhees) Countryman was a daughter of Henry Voorhees and Margaret (Nevius) Voorhees. Born on 27 Jun 1795 in the Hillsborough Township of Somerset County, New Jersey, Ellen Voorhees descended from a long line of Voorhees and Nevius ancestors.