Ibrackan (Barony)
A peerage of the Kingdom of Ireland.
Letters patent issued on Sat 11th Dec 1756
To Percy Wyndham O'Brien as Hereditary peerage subsidiary to another created by the same letters patent.
Holders
| Number | Surname | Forenames | Held from | Held to |
|---|---|---|---|---|
| 1st | Wyndham O'Brien | Percy | Sat 11th Dec 1756 | Thu 21st Jul 1774 |
Peerage extinct on Thu 21st Jul 1774 with the 1st holder .