The O’Briens are an illustrious and prominent clan that has shaped the history of Ireland. The name, also spelt O’Bryan or O’Brian, means “of Brian” indicating descendance from Brian Borumha mac Cennetig, or Brian Boru, the celebrated High King of Ireland. (The O’Briens also claim the mythological King Oilill Ollum to be their ancestor through the Dal gCais). Brian Boru … [Read more...] about Roots: O’Brien