Dermot was born in OCT 1594, the son of Murrough O'Brien and Margaret Cusack. The place is not known.
He died on 29 DEC 1624. The place is not known.
His wife was Ellen FitzGerald, who he married in BEF 1614. The place has not been found. Their five known children were Mary (?-?), Honora (?-?), Henry (?-1645), Christopher (?-c1662) and Morrogh (1614-1674).
Dermot O'Brien |
Murrough O'Brien |
Murrough McDermot O'Brien |
Dermod McMurrough O'Brien |
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Margaret O'Brien |
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Christopher Nugent |
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Mary FitzGerald |
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Thomas Cusack |
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Event | Date | Details | Source | Multimedia | Notes |
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Birth | OCT 1594 |
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Death | 29 DEC 1624 |
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Attribute | Date | Description | Details | Source | Multimedia | Notes |
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Nobility Title | FROM 29 JUL 1597 TO 29 DEC 1624 | baron Inchiquin 5° |