Margaret O'Brien was born between 1577 (parents' marriage) and 1583 (mother's death).
She was the daughter of Donough O'Brien, 3rd Earl of Thomond and Helen Roche. She married Charles MacCarty, 1st Viscount Muskerry, son of Sir Cormac MacDermot MacCarty and Mary Butler.
Children of Margaret O'Brien and Charles MacCarty, 1st Viscount Muskerry
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Margaret is 23 degrees from Herbert Adair, 18 degrees from Richard Adams, 20 degrees from Mel Blanc, 18 degrees from Dick Bruna, 18 degrees from Bunny DeBarge, 31 degrees from Peter Dinklage, 19 degrees from Sam Edwards, 18 degrees from Ginnifer Goodwin, 21 degrees from Marty Krofft, 18 degrees from Junius Matthews, 14 degrees from Rachel Mellon and 20 degrees from Harold Warstler on our single family tree. Login to find your connection.