This individual probably does not have legitimate American descendants.
(1) C.G. Chamberlayne, The Vestry Book and Register of St. Peter’s Parish, New Kent and James City Counties, Virginia, 1684-1786 (n.p.: n.p., 1973), 432.
(2) Elizabeth Cosby Stafford Jenkins, The Cosbys of York County, Virginia 1737-1790 (Charlotte, North Carolina: E.C.S. Jenkins, 1994), 6, citing C.G. Chamberlayne, Vestry Book of St. Peter's Parish.