Mary FitzMaurice, 4th Countess of Orkney (''née'' O'Brien; 4 September 1755 – 30 December 1831) was a Scottish peer, the only surviving child of

Murrough O'Brien, 1st Marquess of Thomond Sir Murrough O'Brien, 10th Baron of Inchiquin, 5th Baron O'Brien of Burren, 1st Baron Thomond of Taplow, 5th Earl of Inchiquin, 1st Marquess of Thomond KP, PC (Ire) (1726 – 10 February 1808), known from 1777 to 1800 as the 5th Earl of Inchiqui ...

and

Mary O'Brien, 3rd Countess of Orkney Mary O'Brien, 3rd Countess of Orkney (c. 1721 – 1790) was the eldest daughter of Anne O'Brien, 2nd Countess of Orkney, and William O'Brien, 4th Earl of Inchiquin, and Countess of Orkney in her own right. She was deaf and was married by si ...

. She was married to the Hon. Thomas FitzMaurice, younger brother of the 1st Marquess of Lansdowne, on 21 December 1777. Their son, born in 1778, was

John FitzMaurice, Viscount Kirkwall John Hamilton FitzMaurice, Viscount Kirkwall (9 October 1778 – 23 November 1820), known as John FitzMaurice until 1791, was a British politician. Background Kirkwall was the son of the Hon. Thomas FitzMaurice, younger son of John Petty, 1st ...

(who was the father of the 5th

Earl of Orkney Earl of Orkney, historically Jarl of Orkney, is a title of nobility encompassing the archipelagoes of Orkney and Shetland, which comprise the Northern Isles of Scotland. Originally founded by Norse invaders, the status of the rulers of the Nort ...

, Thomas John Hamilton FitzMaurice). She succeeded her mother on 10 May 1791. Her husband died in 1793 with the Countess retaining possession of

Cliveden Cliveden (pronounced ) is an English country house and estate in the care of the National Trust in Buckinghamshire, on the border with Berkshire. The Italianate mansion, also known as Cliveden House, crowns an outlying ridge of the Chiltern ...

, the family seat of the Earls of Orkney, now owned by the

National Trust The National Trust, formally the National Trust for Places of Historic Interest or Natural Beauty, is a charity and membership organisation for heritage conservation in England, Wales and Northern Ireland. In Scotland, there is a separate and ...

. She died in 1831 in Beaconsfield.

References

FitzMaurice, Mary FitzMaurice, Mary FitzMaurice, Mary Orkney, Mary FitzMaurice, 4th Countess of Earls of Orkney Orkney, Mary Fitzmaurice

Mary Mary may refer to: People * Mary (name), a feminine given name (includes a list of people with the name) Religious contexts * New Testament people named Mary, overview article linking to many of those below * Mary, mother of Jesus, also calle ...

18th-century Scottish people 18th-century Scottish women 19th-century Scottish people 19th-century Scottish women {{Orkney-bio-stub