William Plunket, 1st Baron Plunket

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The Right Honourable
The Lord Plunket
Lord Plunket.
Lord Chancellor of Ireland
In office
23 December 1830 – November 1834
Monarch William IV
Prime Minister The Earl Grey
The Viscount Melbourne
Preceded by Sir Anthony Hart
Succeeded by Sir Edward Sugden
In office
30 April 1835 – 1841
Monarch William IV
Queen Victoria
Prime Minister The Viscount Melbourne
Preceded by Sir Edward Sugden
Succeeded by Sir John Campbell
Personal details
Born 1 July 1764
Enniskillen, County Fermanagh
Died 5 January 1854 (aged 89)
County Wicklow
Nationality British
Political party Whig
Spouse(s) Catherine MacCausland
Alma mater Trinity College Dublin

William Conyngham Plunket, 1st Baron Plunket PC, KC (1 July 1764 – 5 January 1854) was an Irish politician and lawyer. He served as Lord Chancellor of Ireland between 1830 and 1834 and again between 1835 and 1841.

Background and education

The son of a Presbyterian minister, Reverend Thomas Plunket of Dublin, and his wife Mary (née Conyngham),[1] Plunket was born in Enniskillen, County Fermanagh, and educated at Trinity College Dublin. After graduating in 1784, he was admitted as a student at Lincoln's Inn, and was called to the Irish bar three years later.

Legal and political career

Plunket was made a King's Counsel in 1795, and three years later was elected to the Irish House of Commons as a Member of Parliament for Charlemont. After the Act of Union was passed, Plunket lost his seat, and failed to be elected to Westminster for the University of Dublin in 1802, but he subsequently became Solicitor-General for Ireland in 1803, a post he held for two years before becoming Attorney-General for Ireland, again for two years. He was appointed a member of the Privy Council of Ireland on 6 December 1805.

In January 1807, he was returned to British House of Commons as a Whig member for Midhurst, representing the constituency for only three months, although he subsequently returned to the House of Commons in 1812 as the member for Dublin University, a seat which he continued to represent until May 1827.

In 1822 he was reappointed to the office of Attorney-General for Ireland because William Saurin (Attorney General 1807–22) was implacably opposed to Catholic Emancipation, which the Crown by then accepted had become inevitable. Plunket, by contrast, supported Emancipation and was able to work in reasonable harmony with Daniel O'Connell to secure it.

In 1827, relinquishing his seat in the House of Commons, he was raised to the Peerage of the United Kingdom as Baron Plunket, of Newton in the County of Cork[2] and was appointed Chief Justice of the Irish Common Pleas.

He was an advocate of Catholic Emancipation,[3] and served as Lord Chancellor of Ireland from 1830 to 1841, with a brief interval when the Tories were in power between 1834 and 1835. He was forced into retirement to allow Sir John Campbell to assume office.


Plunket was married to Catherine MacCausland, daughter of John MacCausland (Irish parliamentarian) of Strabane and Elizabeth Span, daughter of Reverend William Span of Ballmacove, County Donegal.[4] Their son Thomas became Church of Ireland Bishop of Tuam, Killala and Achonry. Thomas's eldest daughter the Honourable Katherine Plunket (1820–1932) was the longest-lived Irish person ever. Their other children included sons Patrick (died 1859) and Robert (Dean of Tuam from 1850), and a daughter, Louisa.[5] In Dublin, Plunket was a member of Daly's Club.[6] He died in January 1854, aged 89, at his country house, Old Connaught, near Bray, County Wicklow, and was succeeded in the barony by his eldest son, Thomas.

He lived in considerable state: Sir Walter Scott, who visited him at Old Connaught, left a glowing tribute to Plunket's charm and hospitality, and the excellence of his food and wine.


  1. The Peerage Of The British Empire, 27th Edn, 1858, Edmund Lodge Esq, accessed 25 December 2008
  2. The London Gazette: no. 18356. p. 937. 27 April 1927.
  3. On Catholic Relief, speech delivered on 28 February 1821 by Plunket in the House of Commons, adjudged by Sir Robert Peel as "it stands nearly the highest in point of ability of any ever heard in this House", accessed 24 December 2008
  4. A Genaeologyical and Heraldic History of the Commoners of Great Britain and Ireland: MacCausland of Strabane Vol II, John Burke Esq, 1836, accessed 24 December 2008
  5. The Peerage, Baronetage, and Knightage, of Great Britain and Ireland, for 1860, Robert P. Dod Esq, 1860, accessed 25 December 2008
  6. T. H. S. Escott, Club Makers and Club Members (1913), pp. 329–333

External links

Parliament of Ireland
Preceded by
Richard Mountney Jephson
Viscount Caulfeild
Member of Parliament for Charlemont
1798 – 1801
With: Richard Mountney Jephson 1798
Francis Dobbs 1798–1801
Succeeded by
Parliament of the United Kingdom
Parliament of the United Kingdom
Preceded by
John Smith
William Wickham
Member of Parliament for Midhurst
With: Henry Watkin Williams-Wynn
Succeeded by
Samuel Smith
James Abercromby
Preceded by
John Leslie Foster
Member of Parliament for Dublin University
Succeeded by
John Wilson Croker
Legal offices
Preceded by
James McClelland
Solicitor-General for Ireland
Succeeded by
Charles Kendal Bushe
Preceded by
Standish O'Grady
Attorney-General for Ireland
Succeeded by
William Saurin
Preceded by
William Saurin
Attorney-General for Ireland
Succeeded by
Henry Joy
Preceded by
John Toler, 1st Earl of Norbury
Chief Justice of the Irish Common Pleas
Succeeded by
John Doherty
Political offices
Preceded by
Sir Anthony Hart
Lord Chancellor of Ireland
Succeeded by
Sir Edward Sugden
Preceded by
Sir Edward Sugden
Lord Chancellor of Ireland
Succeeded by
Sir John Campbell
Peerage of the United Kingdom
New creation Baron Plunket
Succeeded by
Thomas Plunket