William MacWilliam O'Brien, 8th Baron of Inchiquin, 3rd Baron O'Brien of Burren, 3rd Earl of Inchiquin PC (1662 – 24 December 1719) was an

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

nobleman.

Life

William O'Brien was the son of

William O'Brien, 2nd Earl of Inchiquin Colonel William O'Brien, 2nd Earl of Inchiquin, PC ( – 16 January 1692), was an Irish military officer, peer and colonial administrator who served as the governor of Tangier from 1675 to 1680 and the governor of Jamaica from 1690 until his d ...

and Lady Margaret Boyle. He married his cousin Mary Villiers, daughter of Sir Edward Villiers of

Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, California, ...

and Frances Howard, the youngest daughter of

Theophilus Howard, 2nd Earl of Suffolk Theophilus Howard, 2nd Earl of Suffolk, (13 August 15843 June 1640) was an English nobleman and politician. Born at the family estate of Saffron Walden, he was the son of Thomas Howard, 1st Earl of Suffolk, by his second wife, Catherine Kny ...

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 Kinsale The governor of Kinsale was a military officer who commanded the garrison at Kinsale and Charles Fort in County Cork. The office became a sinecure and in 1833 was to be abolished from the next vacancy. List of governors of Kinsale and Charles Fo ...

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 County Clare ( ga, Contae an Chláir) is a county in Ireland, in the Southern Region and the province of Munster, bordered on the west by the Atlantic Ocean. Clare County Council is the local authority. The county had a population of 118,81 ...

Family

Children of William O'Brien, 3rd Earl of Inchiquin and Mary Villiers: * Donal O'Brien, born 1689. *

William O'Brien, 4th Earl of Inchiquin {{Infobox officeholder , honorific-prefix = The Right Honourable , name = The Earl of Inchiquin , honorific-suffix = KB PC(I) , image = William_O’Brien,_4th_Earl_of_Inchiquin.jpg , caption = , alt ...

(1700 – 18 July 1777) * Mary O'Brien, who married

Robert FitzGerald, 19th Earl of Kildare Robert FitzGerald, 19th Earl of Kildare PC (Ire) (4 May 1675 – 20 February 1743), known as Robert FitzGerald until 1707, was an Irish peer. Background Kildare was the son of the Hon. Robert FitzGerald, younger son of George FitzGerald, 16th E ...

, son of Hon. Robert FitzGerald and Mary Clotworthy, on 7 March 1708/9. They had two sons and one daughter. * Charles O'Brien Lieut RN * James O'Brien (d. 17 December 1771) Married Mary Jephson, daughter of Very Revd William Jephson and Anne Barry. They had three sons and two daughters. * Henrietta O'Brien (d. 1730) Married Robert Sandford in August 1717. They had one daughter.

References

*
O'Brien genealogy
People from County Clare 17th-century Irish people 18th-century Irish people 1662 births 1719 deaths Members of the Privy Council of Ireland

William William is a male given name of Germanic origin.Hanks, Hardcastle and Hodges, ''Oxford Dictionary of First Names'', Oxford University Press, 2nd edition, , p. 276. It became very popular in the English language after the Norman conquest of Engl ...

Earls of Inchiquin {{Ireland-earl-stub