St Lawrence (Viscountcy)
A peerage of the Kingdom of Ireland.
Letters patent issued on Thu 3rd Sep 1767
To Thomas St Lawrence as Hereditary peerage subsidiary to another created by the same letters patent.
Holders
| Number | Surname | Forenames | Held from | Held to |
|---|---|---|---|---|
| 1st | St Lawrence | Thomas | Thu 3rd Sep 1767 | Tue 29th Sep 1801 |
| 2nd | St Lawrence | William | Tue 29th Sep 1801 | Thu 4th Apr 1822 |
| 3rd | St Lawrence | Thomas | Thu 4th Apr 1822 | Wed 4th Feb 1874 |
| 4th | St Lawrence | William Ulick Tristram | Wed 4th Feb 1874 | Tue 9th Mar 1909 |
Peerage extinct on Tue 9th Mar 1909 with the 4th holder .