O’Sullivans break Guinness World Record for gathering most people with same surname in one place

Participants with the family name of O'Sullivan and Sullivan broke the world record this weekend for the largest gathering of ...
IrishCentral

O’Sullivans in West Cork break Guinness World Record with huge clan gathering

The June Bank Holiday reunion in Castletownbere drew O’Sullivans from around the world and set a new Guinness World Record ...
Independent.ie

O’Sullivan/Sullivan clan gathering in Cork breaks Guinness World Record

The O’Sullivan clan are celebrating after creating history and writing themselves into the Guinness World Records for the ...