Mary was the daughter of Dermot O'Brien and Ellen FitzGerald. The date and place of her birth have not been found.
Her husband was Michael Boyle. They were married, but the date and place have not been found. Their six known children were Eleanor (?-?), Murrough (c1645-1718), Elizabeth (?-?), Mary (?-?), Martha (?-?) and Honora (?-?).
Dermot O'Brien |
Murrough O'Brien |
Murrough McDermot O'Brien |
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Thomas Cusack |
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Thomas FitzGerald |
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