I have considerable research material that dates to the early 1800's for the name Stranaghan. Nothing back to the 1600's. I'm am told that the Stranaghan's came from Scotland about 1600. Have info re: James born Ballyrenan baptized June 13, 1813. died Sept 22, 1879 at Ballynahinch. Profession - shoemaker. What info do you have?