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