J
| Title | Date of creation | Surname | Current status | Notes |
|---|---|---|---|---|
| Jervis-White-Jervise of Bally Ellis | 1797 | Jervis-White-Jervise | extinct 1947 | |
| Johnson-Walsh of Dublin | 1775 | Johnson, Johnson-Walsh | extinct 1953 | |
| Johnston of Gilford | 1772 | Johnston | extinct 1841 |
Read more about this topic: List Of Baronetcies In The Baronetage Of Ireland