Castle Martyr (Barony)
A peerage of the Kingdom of Ireland.
Letters patent issued on Sat 17th Apr 1756
To Henry Boyle as Hereditary peerage subsidiary to another created by the same letters patent.
|Number||Surname||Forenames||Held from||Held to|
|1st||Boyle||Henry||Sat 17th Apr 1756||Fri 28th Dec 1764|
|2nd||Boyle||Richard||Fri 28th Dec 1764||Wed 20th May 1807|
|9th||Boyle||Richard Bentinck||Sun 29th Dec 1963||Thu 9th May 2013|