of Roscommon (Earldom)

of Roscommon (Earldom)

A peerage of the Kingdom of Ireland.

Letters patent issued on Fri 5th Aug 1622

To James Dillon as Promotion in the peerage of Ireland.


Number Surname Forenames Held from Held to
1st Dillon James Fri 5th Aug 1622 -
11th Dillon Patrick Tue 27th Aug 1782 Sun 17th Nov 1816
12th Dillon Michael James Robert Sun 17th Nov 1816 Wed 15th May 1850

Peerage extinct on Wed 15th May 1850 with the 12th holder .

External identifiers

Wikidata: Q5326362