A peerage of the Kingdom of Ireland.
Letters patent issued on Thu 7th Oct 1751
To John Petty as Hereditary peerage subsidiary to another created by the same letters patent.
|Number||Surname||Forenames||Held from||Held to|
|1st||Petty||John||Thu 7th Oct 1751||Thu 14th May 1761|
|2nd||Petty||William||Thu 14th May 1761||Tue 7th May 1805|
|4th||Petty-Fitzmaurice||Henry||Wed 15th Nov 1809||Sat 31st Jan 1863|
|5th||Petty-Fitzmaurice||Henry Thomas||Sat 31st Jan 1863||Thu 5th Jul 1866|
|9th||Mercer Nairne Petty-Fitzmaurice||George John Charles||Sun 20th Aug 1944||Wed 25th Aug 1999|
|10th||Mercer Nairne Petty-Fitzmaurice||Charles Maurice||Wed 25th Aug 1999||-|