Lady Mary O'Brien

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Mary MacMahon (O'Brien)

Death: (Date and location unknown)
Immediate Family:

Daughter of Conchobar O'Brien, 2nd Earl of Thomond
Wife of Sir Turlough MacMahon, Lord of East Corcabaskin
Mother of Máire Rúa (Red Mary) O'Brien
Half sister of Margaret O'Brien, Baroness Dunboyne; Honora O'Brien; Daniel O'Brien, 1st Viscount Clare and Donough O'Brien, 3rd Earl of Thomond

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About Lady Mary O'Brien

Máire Rúa" (Red Mary). Conor, was another member of the large O'Brien family which had ruled much of Clare for several hundred years. She born in 1615 or 1616. Her father was Sir Torlach Rúa MacMahon, Lord of Clonderlaw and her mother was Lady Mary O'Brien, daughter of the third Earl of Thomond.

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