Thomas Southwell, 2nd Viscount Southwell

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Thomas Arthur Southwell, 2nd Viscount Southwell (16 April 1742 – 14 February 1796),[1] styled The Honourable from 1766 until 1780, was an Irish peer and politician.

He was the oldest son of Thomas Southwell, 1st Viscount Southwell and his wife Margaret Hamilton, daughter of Arthur Cecil Hamilton of Castle Hamilton, Killeshandra Co. Cavan.[2] His younger brother was Robert Henry Southwell.[3] Southwell was educated at Trinity College, Dublin.[4] In 1780, he succeeded his father as viscount.[3]

In 1767, Southwell entered the Irish House of Commons for Limerick County, the same constituency his father had represented before, and sat for it until the following year.[5]

Marriage, children, and succession[edit]

On 7 November 1774, he married Sophia Maria Josepha Walsh, third daughter of Francis Joseph Walsh, Comte de Serrant, and had by her four sons and four daughters.[2] Southwell died aged 53 and was succeeded in his titles by his oldest son Thomas.[6]


  1. ^ "Leigh Rayment - Peerage". Retrieved 12 June 2009.
  2. ^ a b Debrett, John (1828). Debrett's Peerage of the United Kingdom of Great Britain and Ireland. vol. II (17th ed.). London: G. Woodfall. p. 781. |volume= has extra text (help)
  3. ^ a b Lodge, John (1789). Mervyn Archdall (ed.). The Peerage of Ireland or A Genealogical History of the Present Nobility of that Kingdom. vol. I. Dublin: James Moore. pp. 27–28. |volume= has extra text (help)
  4. ^ "ThePeerage - Thomas Arthur Southwell, 2nd Viscount Southwell of Castle Mattress". Retrieved 12 June 2009.
  5. ^ "Leigh Rayment - Irish House of Commons 1692-1800". Retrieved 12 June 2009.
  6. ^ Burke, John (1832). A Genealogical and Heraldic History of the Peerage and Baronetage of the British Empire. vol. II (4th ed.). London: Henry Colburn and Richard Bentley. p. 465. |volume= has extra text (help)
Parliament of Ireland
Preceded by
Hon. Thomas George Southwell
Hugh Massy
Member of Parliament for Limerick County
With: Hugh Massy
Succeeded by
Silver Oliver
Hugh Massy
Peerage of Ireland
Preceded by
Thomas Southwell
Viscount Southwell
Succeeded by
Thomas Southwell