There is a listing both ways, Samuel D. Adams and Samuel McAdams - one married Cathrien Ross - their son is listed as being born 1737 and cb. 1750 Fayette Co. Pa.The Samuel who's son was Hugh was in Orange Co., NC in 1771. Hugh had a brother, James. Some of these Adams had changed their name from McAdam. They lived in Guilford Co., NC and Miggs Co., Tenn.Any information would be appreciated.