A peerage of the Kingdom of Great Britain.
Letters patent issued on Fri 1st Jan 1712
To Thomas Trevor as Hereditary peerage.
|Number||Surname||Forenames||Held from||Held to|
|1st||Trevor||Thomas||Fri 1st Jan 1712||Mon 19th Jun 1730|
|4th||Hampden-Trevor||Robert||Thu 27th Sep 1764||Fri 22nd Aug 1783|
|5th||Hampden||Thomas||Fri 22nd Aug 1783||Fri 20th Aug 1824|
|6th||Hampden-Trevor||John||Fri 20th Aug 1824||Thu 9th Sep 1824|
Peerage extinct on Thu 9th Sep 1824 with the 6th holder .