Tadhg mac Murchadh Ó Briain
Tadhg mac Murchadh Ó Briain, died 1577, was an Irish soldier and official who served as the first sheriff of Thomond between <1570 and 1571.
Ó Briain played an active political and military role during the Tudor reconquest of Ireland. He was a son of Murrough O'Brien, 1st Earl of Thomond and Eleanor fitz John. Ó Briain had four children:
