Hereditary peerage (already peer of Ireland)
Peerages of this type
| Title | Letters patent | Extinct | Merged into crown |
|---|---|---|---|
| Whitworth (Viscountcy) | Charles Whitworth - Mon 14th Jun 1813 | 12 May 1825 | - |
| Worlingham (Barony) | Archibald Acheson - Sat 13th Jun 1835 | - | - |
| Wycombe (Barony) | John Petty - Tue 20th May 1760 | - | - |