Tadcaster, of Tadcaster in the County of York (Barony)
A peerage of the United Kingdom.
Letters patent issued on Mon 3rd Jul 1826
To William O'Bryen as Hereditary peerage (already peer of Ireland).
|Number||Surname||Forenames||Held from||Held to|
|1st||O'Bryen||William||Mon 3rd Jul 1826||Fri 21st Aug 1846|
Peerage extinct on Fri 21st Aug 1846 with the 1st holder .