You probably already know this, but I have read recently that Stinson is a variation of Stephenson or Stevenson. >From a 1831 Enniskillen and Erne Packet newspaper, on FMP. Kathy, in the Division of Enniskillen, a Robert Stinson, alias Stephenson, with house and land, Mullaghmeen Trykennedy,value ₤10, is one of several persons intending to register their Freeholds at the April sessions, 1831. Carole.