Welcome to the O'Brien Clan

O’Brien Family Motto – Lamh Laidir an Uachtar – The Stong Hand from Above

Join the Clan

Join and Support the O'Brien Clan and Help Keep us Online

Part of the Irish Clans Network Directive

OBrien Membership

Join the O'Brien Clan

>Join the O’Brien Irish Clan today and get your free O’Brien Clan Certificate. Membership is free and always will be it’s your birthright!
Dara O'Briain

Famous People

The O’Brien tribe is jammed pack with talented and famous members. Have a look at some of our favourite clan members and their achievements.
Cliffs of Moher


The O’Brien Clan played a big part in Ireland History and was predominately found in County Clare, Limerick and Kerry.
O'Brien Shop

O'Brien Clan Merchandise

Please help keep the O’Brien Irish Clan online by purchasing some clan merchandise. O’Brien Clans is an independant project made possible by the Irish Clans Network Initiative

Official Clan Certificate

Please contact us with the name you wish to register on your certificate. We will print out and post you your certificate for a small fee.