Grimston (Viscountcy)
A peerage of the Kingdom of Ireland.
Letters patent issued on Mon 29th May 1719
To William Grimston as Peerage of Ireland.
Holders
| Number | Surname | Forenames | Held from | Held to |
|---|---|---|---|---|
| 1st | Grimston | William | Mon 29th May 1719 | Fri 15th Oct 1756 |
| 2nd | Grimston | James | Fri 15th Oct 1756 | Wed 15th Dec 1773 |
| 3rd | Grimston | James Bucknall | Wed 15th Dec 1773 | Fri 30th Dec 1808 |
| 4th | Grimston | James Walter | Fri 30th Dec 1808 | Mon 17th Nov 1845 |
| 5th | Grimston | James Walter | Mon 17th Nov 1845 | Sat 27th Jul 1895 |
| 6th | Grimston | James Walter | Sat 27th Jul 1895 | Tue 11th Nov 1924 |
| 7th | Grimston | James Walter | Tue 11th Nov 1924 | Tue 29th Nov 1949 |
| 8th | Grimston | James Brabazon | Tue 29th Nov 1949 | Thu 13th Oct 1960 |
| 9th | Grimston | John | Thu 13th Oct 1960 | Sun 15th Apr 1973 |
| 10th | Grimston | John Duncan | Sun 15th Apr 1973 | - |