O'Neill – Ó Neill

(O) Neill Ó Néill is a surname that is numerous throughout Ireland especially in Tyrone and Antrim. The Association of O'Neill Clans was established in 2007 and represents the following O'Neill Clans:

O'Neill of Tyrone

O'Neill of Fews

O'Neill of Clandaboy

O'Neill of Leinster i.e Carlow

O'Neill of Munster i.e. Decies and Thomond.

Website: www.oneillclans.com

Email: sean@oneill.ie

Contact: The Association of O’Neill Clans,

c/o Seán O’Neill, Clifton, 48 Castle Ave., Clontarf, Dublin 3, Ireland.