looking for Archibald Alexander, born 1708, from Manorcunningham

I have an ancestor, Archibald Alexander, who was fromMannorcunningham. he married my ancestor Margaret Parks, who was born inRaphoe, Co. Donegal.He was born on February 4, 1708, son of William Alexander and Jean McNutt. Hemarried Margaret Parks in Raphoe on December 31, 1734. I don't know his denomination, but we are Catholic.