A 1793 deed from Abner Reeves to a Manasseh Carnes for 60 acres in Rostraver Twp. Westmoreland Co., PA. Could this be your Manassah or Manassah Sr. Carns? In the Reeves info Manasseh was also spelled Manassah and Manassa. I have also seen where Carns was spelled Carnes,Karns and Kerns.