Castlerosse (Viscountcy)
A peerage of the Kingdom of Ireland.
Letters patent issued on Fri 2nd Jan 1801
To Valentine Browne as Hereditary peerage subsidiary to another created by the same letters patent.
Holders
| Number | Surname | Forenames | Held from | Held to |
|---|---|---|---|---|
| 1st | Browne | Valentine | Fri 2nd Jan 1801 | Sat 3rd Oct 1812 |
| 2nd | Browne | Valentine | Sat 3rd Oct 1812 | Mon 31st Oct 1853 |
| 3rd | Browne | Thomas | Mon 31st Oct 1853 | Tue 26th Dec 1871 |