Anne O'Brien, 2nd Countess of Orkney

Anne Douglas-Hamilton, 2nd Countess of Orkney (1696 – 6 December 1756) was a Scottish noblewoman and the eldest daughter of Field Marshal George Hamilton, 1st Earl of Orkney, and his wife, the former Elizabeth Villiers.

She was also known as Anne O'Brien, Countess of Inchiquin, through her marriage to her first cousin William O'Brien, 4th Earl of Inchiquin,^[1] the O'Brien, Chief of the Name, Prince of Thomond, and Lord of Dál gCais. They were married on 29 March 1720.^[2] Their daughter, Lady Mary (c. 1721–1790), succeeded her mother in the earldom of Orkney.

Their other children were:^[2]

William, Lord O'Brien (1725-1727)
George, Lord O'Brien (born 1728; died in infancy)
Augustus (died in infancy)
Murrough, Viscount Kirkwall (died 1741, in childhood), who was heir to Henry O'Brien, 8th Earl of Thomond, but died before inheriting^[3]
Anne (c.1721-1808)
Frances (died 1740)
Elizabeth (died 1741)

Peerage of Scotland
Preceded by George Douglas-Hamilton	Countess of Orkney 1737-1756	Succeeded by Mary O'Brien

References

^ "O'BRIEN, William, 4th Earl of Inchiquin [I] (c.1700-77)". History of Parliament Online. Retrieved 3 July 2019.
^ ^a ^b John Debrett (1840). Debrett's Peerage of England, Scotland, and Ireland. revised, corrected and continued by G.W. Collen. pp. 562.
^ "Estate Record: O'Brien". NUI Galway. Retrieved 3 July 2019.

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[1] "O'BRIEN, William, 4th Earl of Inchiquin [I] (c.1700-77)". History of Parliament Online. Retrieved 3 July 2019.

[Debrett-2] John Debrett (1840). Debrett's Peerage of England, Scotland, and Ireland. revised, corrected and continued by G.W. Collen. pp. 562.

[3] "Estate Record: O'Brien". NUI Galway. Retrieved 3 July 2019.

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