Duncannon, of Bessborough in the County of Kilkenny (Barony)
A peerage of the United Kingdom.
Letters patent issued on Sat 19th Jul 1834
To John William Ponsonby as Hereditary peerage.
|Number||Surname||Forenames||Held from||Held to|
|1st||Ponsonby||John William||Sat 19th Jul 1834||Sun 16th May 1847|
|2nd||Ponsonby||John George Brabazon||Sun 16th May 1847||Wed 28th Jan 1880|
|3rd||Ponsonby||Frederick George Brabazon||Wed 28th Jan 1880||Mon 11th Mar 1895|
|4th||Ponsonby||Walter William Brabazon||Mon 11th Mar 1895||Sat 24th Feb 1906|
|5th||Ponsonby||Edward||Sat 24th Feb 1906||Wed 1st Dec 1920|
|6th||Ponsonby||Vere Brabazon||Wed 1st Dec 1920||Sat 10th Mar 1956|
|7th||Ponsonby||Frederick Edward Neuflize||Sat 10th Mar 1956||Sun 5th Dec 1993|
|8th||Ponsonby||Arthur Mountifort Longfield||Sun 5th Dec 1993||Fri 5th Apr 2002|