William O’Brien, 3rd Earl of Inchiquin

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Col. William MacWilliam O'Brien, 8th Baron Inchiquin, 3rd Baron O'Brien & 3rd Earl of Inchiquin

Birthdate:
Birthplace: Clare, Clare, Ireland
Death: December 24, 1719 (52-53)
Drogheda, Louth, Leinster, Ireland
Immediate Family:

Son of Col. William O'Brien, 7th Baron Inchiquin, 2nd Baron O'Brien & 2nd Earl of Inchiquin and Lady Margaret Boyle, Countess of Inchiquin
Husband of Lady Mary O'Brien
Ex-partner of mistress
Father of Daniel O'Brien, of Waterford; William O'Brien, 4th Earl of Inchiquin; Lady Mary Elizabeth FitzGerald, Countess of Kildare; Hon James O'Brien, MP; Charles O'Brien and 1 other
Brother of Col. James O'Brien, Commander of Portroyal and Henry O'Brien

Occupation: 3rd Earl of Inchiquin
Court: Privy Councillor to Queen Anne and King George I
Military: Colonel of Foot in 1703
Offices: Governor of County Clare
Managed by: Fred Bergman
Last Updated:

About William O’Brien, 3rd Earl of Inchiquin

Colonel William O'Brien, 8th Baron of Inchiquin, 3rd Baron O'Brien of Burren, 3rd Earl of Inchiquin, PC, was the son of William O'Brien, 2nd Earl of Inchiquin and Lady Margareth Boyle. He married his cousin Mary Villiers, daughter of Sir Edward Villiers of Richmond and Frances Howard, the youngest daughter of Theophilus Howard, 2nd Earl of Suffolk and Elizabeth Hume.

Like his father, he was attainted in his absence by the Irish Parliament of King James II in 1689. He was Governor of Kingsale in 1693. He signed the declaration and association in defence of King William III after the assassination attempt against the King in 1697.

He was Privy Councillor to Queen Anne and King George I, Colonel of Foot in 1703 and Mayor of Kilkenny from 1704 to 1705. He was made Governor of County Clare.

William O'Brien, 3rd Earl of Inchiquin was the son of William O'Brien, 2nd Earl of Inchiquin and Lady Margaret Boyle.

He married Mary Villiers, daughter of Sir Edward Villiers and Lady Frances Howard, in April 1691.1

He died on 24 December 1719.

William O'Brien, 3rd Earl of Inchiquin gained the title of 3rd Earl of Inchiquin.

Children of William O'Brien, 3rd Earl of Inchiquin and Mary Villiers

1.William O'Brien, 4th Earl of Inchiquin+ d. 18 Jul 1777

2.Lady Mary O'Brien+ 2

3.Lieutenant Charles O'Bryan

4.Hon. James O'Bryan+ d. 17 Dec 1771

5.Lady Henrietta O'Brien+ d. 17303

Citations

http://www.thepeerage.com/p2613.htm#i26126

1.[S37] Charles Mosley, editor, Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes (Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003), volume 2, page 2096. Hereinafter cited as Burke's Peerage and Baronetage, 107th edition.

2.[S37] Charles Mosley, Burke's Peerage and Baronetage, 107th edition, volume 2, page 2299.

3.[S37] Charles Mosley, Burke's Peerage and Baronetage, 107th edition, volume 1, page 973.

Other References

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William O’Brien, 3rd Earl of Inchiquin's Timeline

1666
1666
Clare, Clare, Ireland
1689
1689
1693
February 12, 1693
London, Middlesex, England
1695
1695
Youghal, Cork, Ireland
1700
1700
1708
1708
1719
December 24, 1719
Age 53
Drogheda, Louth, Leinster, Ireland
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