Teige Mac Murrough O’Brien (–1577) was a son of Murrough O'Brien, 1st Earl of Thomond and Eleanor fitz John. He was politically and military active as an opponent of the Tudor reconquest of Ireland. Between 1570 and 1571 he was the first sheriff of Thomond.
Teige O'Brian had four children:
Honora O'Brian
Torlogh O'Brien
Slany O'Brien
Amy O'Brien
^ Thomas Johnson Westropp. Notes on the Sheriffs of County Clare, 1570-1700, Retrieved 12 October 2009<
^ Person Page - 3845, thePeerage.com Retrieved 12 October 2009