Earl Clanwilliam is in Earl Ireland.
On 20th July 1776 John Meade 1st Earl of Clanwilliam (age 32) was created 1st Earl Clanwilliam. Theodosia Magill Countess Clanwilliam (age 32) by marriage Countess Clanwilliam.
On 19th October 1800 John Meade 1st Earl of Clanwilliam (age 56) died at St Stephen's Green, Dublin. His son Richard (age 34) succeeded 2nd Earl Clanwilliam.
On 3rd September 1805 Richard Meade 2nd Earl Clanwiliam (age 39) died. His son Richard (age 10) succeeded 3rd Earl Clanwilliam.