Common Surnames: Surnames associated with the county include Gallagher, O'Donnell, Doherty, Gillespie, Breslin, Bonar, Brannan and McDaid. Famous People with Donegal roots: Thomas P. O’Neill III ...

He travels North to find out the background of his surname visiting Grianán Aileach in County Donegal and Tullhogue Fort, County Tyrone an inauguration site for the O’Neill clan and on the way ...