Henry
"Lord Ibrackan"
O'Brien
MP
Born about [location unknown]
Ancestors 
Son of Henry O'Brien
and Anne O'Brien
Brother of
Elizabeth O'Brien [half], Aubery Anne Penelope (O'Brien) Howard [half], Henry Horatio O'Brien [half] and Mary (O'Brien) Dudley [half]
Husband of
Katherine (Stuart) Williamson
— married
before 14 Dec 1661 [location unknown]
Descendants 
Father of
Mary (O'Brien) FitzGerald and Katherine (O'Brien) Hyde
Died
at about age 36
[location unknown]
Profile last modified
| Created 6 May 2016
This page has been accessed 597 times.
Henry O'Brien was a member of the aristocracy in British Isles.
Biography
Henry and Catherine had three sons baptised at Great Billing in Northamptonshire
- Donatus baptised 16th September 1663 the son of Rt Hon Henry Lord O'Brien and the Lady Catherine his wife
- Henry baptised 5th May 1665 the son of Rt Hon Henry Lord O'Brien and the Lady Catherine his wife - Henry was buried at Great Billing on 9th May 1665
- Charles baptised 8th September 1666 the son of Rt Hon Henry Lord O'Brien and the Lady Catherine his wife - Charles was buried at Great Billing on 25th September 1667.
Sources
- History of Parliament online: O'BRIEN, Henry, Lord Ibrackan (c.1642-78), of Great Billing, Northants
- Thepeerage.com: Henry O'Brien, Lord O'Brien Cites: Mosley, Charles, editor. Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes. Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003]
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DNA Connections
It may be possible to confirm family relationships with Henry by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA. Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
It may be possible to confirm family relationships with Henry by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA. Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
- Conor Myles John O'Brien
:
Family Tree DNA Y-DNA Test, haplogroup R-FGC13418, FTDNA kit #29355
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