O'Neill of Clackmannan (Barony)
O'Neill of Clackmannan, of Clackmannan in Clackmannanshire (Barony)
A peerage of the United Kingdom.
Letters patent issued on Tue 14th Jun 2005
To Martin John O'Neill as Life peerage: Life Peerages Act 1958.
Issued during the Blair administration
Announced on Fri 13th May 2005 as part of a Dissolution Honours List
Peerage extinct on Wed 26th Aug 2020 with the 1st holder .