Mountcastle (Barony)

A peerage of the Kingdom of Ireland.

Letters patent issued on Fri 2nd Dec 1701

To James Hamilton as Hereditary peerage subsidiary to another created by the same letters patent.


Number Surname Forenames Held from Held to
1st Hamilton James Fri 2nd Dec 1701 Sun 28th Nov 1734
3rd Hamilton James Fri 23rd Mar 1736 Fri 9th Oct 1789
4th Hamilton John James Fri 9th Oct 1789 Tue 27th Jan 1818
5th Hamilton James Tue 27th Jan 1818 Sat 31st Oct 1885
9th Hamilton James Mon 4th Jun 1979 -