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William O'Brien, 4th Earl of Inchiquin

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William O'Brien, 4th Earl of Inchiquin's Geni Profile

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William O'Brien
Birthdate:	1700
Death:	July 18, 1777 (76-77)
Immediate Family:	Son of Col. William O'Brien, 8th Baron Inchiquin, 3rd Baron O'Brien & 3rd Earl of Inchiquin and Lady Mary O'Brien Husband of Anne Douglas-Hamilton, suo jure Countess of Orkney Father of Mary O'Brien, 3rd Countess of Orkney; William O'Brien; George O'Brien; Augustus O'Brien and Murrough O'Brien Brother of Lady Mary Elizabeth FitzGerald, Countess of Kildare; Hon James O'Brien, MP; Charles O'Brien and Daniel O'Brien, of Waterford
Occupation:	4th Earl of Inchiquin

Managed by:	Michael Lawrence Rhodes
Last Updated:	April 27, 2022

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Historical records matching William O'Brien, 4th Earl of Inchiquin

William O'Brien 4th Earl Of Inchiquin in Famous People Throughout History

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Immediate Family

Anne Douglas-Hamilton, suo jure ...

wife
Mary O'Brien, 3rd Countess of Or...

daughter
William O'Brien

son
George O'Brien

son
Augustus O'Brien

son
Murrough O'Brien

son
Lady Mary O'Brien

mother
Col. William O'Brien, 8th Baron ...

father
Allen Phoebe Via Wikimedia https://commons.wikimedia.org/wiki/File:Coat_of_arms_of_the_Duke_of_Leinster.jpg No known copyright issues.

Lady Mary Elizabeth FitzGerald, ...

sister
Hon James O'Brien, MP

brother
Charles O'Brien

brother
Daniel O'Brien, of Waterford

brother

About William O'Brien, 4th Earl of Inchiquin

Wikipedia contributors. "William O'Brien, 4th Earl of Inchiquin." Wikipedia, The Free Encyclopedia.
Burke, Bernard, Sir. A genealogical and heraldic dictionary of the peerage and baronetage of the British Empire. London : Harrison 1869. page 616

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William O'Brien, 4th Earl of Inchiquin's Timeline

1700	1700	Birth of William O'Brien, 4th Earl of Inchiquin
1721	1721	Birth of Mary O'Brien, 3rd Countess of Orkney
1725	1725	Birth of William O'Brien
1727	August 8, 1727	Birth of George O'Brien Taplow, Buckinghamshire, England (United Kingdom)
1729	1729	Birth of Augustus O'Brien
1731	November 1731	Birth of Murrough O'Brien Taplow, Buckinghamshire, England (United Kingdom)
1777	July 18, 1777 Age 77	Death of William O'Brien, 4th Earl of Inchiquin

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