What does “o brien” stand for?
The boy’s name o’brien is an anglicized form of the irish surname ó briain and means “high” or “noble. The prefix ó means “descendant of” in irish, while briain is derived from the name brian. The boy’s name o’brien is an anglicized form of the irish surname ó briain and means “high” or “noble. The prefix ó means “descendant of” in irish, while briain is derived from the name brian. It has a significant historical and cultural background in ireland, where it’s one of the most common surnames.The O’Brien’s derive their name and descent from Brian Boru, King of Ireland, who was killed at the Battle of Clontarf in 1014. The O’Brien clan became not only the ruling family of Thomond but one of the most powerful in Ireland.The O’Briens are Ireland’s third largest clan with an estimated 750,000 worldwide.Most O’Briens are derived from the Dalcassian sept of O’Briain who were a famous and powerful Irish sept, taking their name from the tenth century King, Brian Boru, who defeated the Vikings at the Battle of Clontarf in the year 1014.