Brabazon Ponsonby, 1st Earl of Bessborough

From Wikipedia, the free encyclopedia

The Earl of Bessborough
Arms of Ponsonby.svg
Died4 July 1758 (age 78–79)
Noble familyPonsonby
Sarah Colvill
(m. 1704; died 1733)
Elizabeth Moore
(m. 1733; died 1738)
FatherWilliam Ponsonby, 1st Viscount Duncannon
MotherMary Moore
OccupationPolitician, peer

Brabazon Ponsonby, 1st Earl of Bessborough (1679 – 4 July 1758), was a British politician and peer. He was the son of William Ponsonby, 1st Viscount Duncannon, and Mary Moore. He was an active politician from 1705 to 1757 in Great Britain and Ireland. He represented Newtownards and Kildare County in the Irish House of Commons. He inherited his father's viscountcy in 1724 and was made Earl of Bessborough in the Peerage of Ireland in 1739. He is buried in Fiddown, County Kilkenny, Ireland.

Ponsonby married Sarah Margetson, an heiress whose family owned Bishopscourt, County Kildare, and his family remained there until the 1830s.


Ponsonby married twice. His first marriage was in 1704 to Sarah Margetson (d. 21 May 1733), daughter of John Margetson and Alice Caulfeild, and granddaughter of James Margetson, Archbishop of Armagh. Sarah had previously been married to Hugh Colville, son of Sir Robert Colville of Newtownards and his third wife Rose Leslie. Sarah's children by Brabazon Ponsonby:

Following his wife's death in May 1733, Ponsonby married Elizabeth Sankey (circa 1680 – 17 July 1738), daughter of John Sankey and Eleanor Morgan, on 28 November 1733.

Ranks and offices held[edit]


  • 17 November 1724: Succeeded his father as 2nd Viscount Duncannon, of the Fort of Duncannon, county of Wexford, and as 2nd Baron Bessborough, of Bessborough, county of Kilkenny
  • 6 October 1739: Created 1st Earl of Bessborough, Ireland
  • 12 June 1749: Created 1st Baron Ponsonby of Sysonby, county of Leicester, Great Britain


  1. ^ Innes, A., E., and M. (editors) (1829). The Annual peerage of the British empire for 1829. London: Saunders and Otley. pp. 87–88. {{cite book}}: |first= has generic name (help)
Parliament of Ireland
Preceded by Member of Parliament for Newtownards
With: Charles Campbell
Succeeded by
Preceded by Member of Parliament for Kildare County
With: Joshua Allen
Succeeded by
Peerage of Ireland
New creation Earl of Bessborough
Succeeded by
Preceded by Viscount Duncannon
Baron Bessborough
Peerage of Great Britain
New creation Baron Ponsonby of Sysonby
Member of the House of Lords
Succeeded by