Ó Druacháin
Ó DRUACHÁIN—I—O Drwoghane, O Droughane, O Droghane, Droohan, Drohane, Drohan; 'descendant of Druachán; a rare surname, found chiefly in Waterford and Cork. There was an ecclesiastical family of Ó Drucáin at Armagh which may possibly be the same.
Alphabetical Index to Irish Surnames