William Plunket, 1st Baron Plunket

The Lord Plunket
Lord Plunket.
Lord Chancellor of Ireland
In office
23 December 1830 – November 1834
MonarchWilliam IV
Prime MinisterThe Earl Grey
The Viscount Melbourne
Preceded bySir Anthony Hart
Succeeded bySir Edward Sugden
In office
30 April 1835 – 1841
MonarchsWilliam IV
Queen Victoria
Prime MinisterThe Viscount Melbourne
Preceded bySir Edward Sugden
Succeeded bySir John Campbell
Personal details
Born1 July 1764
Enniskillen, County Fermanagh
Died5 January 1854 (aged 89)
County Wicklow
NationalityBritish
Political partyWhig
SpouseCatherine MacCausland
Alma materTrinity College Dublin

William Conyngham Plunket, 1st Baron Plunket, PC (Ire), QC (1 July 1764 – 5 January 1854) was an Irish politician and lawyer. After gaining public notoriety as the prosecutor in the treason trial of Robert Emmet in 1803, he rose rapidly in government service. He become Lord Chancellor of Ireland in 1830 and served, with a brief interruption, in that post until his retirement in 1841.