Sir Donough O'Brien, 1st Baronet

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Sir Donough O'Brien, 1st Baronet of Leameneh (1642 – 17 November 1717) was an Irish politician and baronet.

He was the son of Connor O'Brien and his wife Maire Rua McMahon. In 1692, O'Brien entered the Irish House of Commons, sitting for Clare until 1714.[1][better source needed]

He married firstly Lucia Hamilton, daughter of Sir George Hamilton and had two sons, Brian O'Brien and Lucius O'Brien. Lucius was the father of Sir Edward O'Brien, 2nd Baronet.[2] Secondly he married Elizabeth Deane, daughter of Major Joseph Deane and together they had one son named Henry O'Brien. When Murrough O'Brien, 1st Earl of Inchiquin was captured Lady Inchiquin petitioned for her husband's release but Sir Donough O'Brien wrote that he had no mind to see any of his relations "for his being a papist".[3]


  1. ^ "Leigh Rayment - Irish House of Commons 1692-1800". Retrieved 28 August 2009. 
  2. ^ Burkes Royal Descents 1864.
  3. ^ Bagwell, p. 326. Cites: Dromoland MS.
Parliament of Ireland
Preceded by
Patriot Parliament
Member of Parliament for Clare
With: Sir Joseph Williamson 1692–1693
Sir Henry Ingoldsby, 1st Bt 1695–1699
Lucius O'Brien 1703–1714
Succeeded by
Francis Gore
John Ivers
Peerage of Ireland
New creation Baronet
(of Leaghmenagh)
Succeeded by
Edward O'Brien