As the Chieftain of the O’Sullivan Clan I wish to welcome you to the official Web-site.   The Clan is based in Castletownbere on the Beara Peninsula in West Cork – South Kerry the ancestral home of O’Sullivan Bere.   Over the last 20 years we have organised numerous events and are planning the next Clan Gathering in 2013 in Castletownbere.  The date of the event will be announced shortly 

Michael o Sullivan

Chieftain

US Ambassador Michael J O'Sullivan and O'Sullivan Chieftain Michael Ed O'Sullivan, with Oliver O'Sullivan and Teddy Black following presentations of chain of Office and shirt