Discover people named Addison O'Neil

The last name O'Neil is of Irish origin, derived from the Gaelic surname "Ó Néill," which means "descendant of Niall." The name Niall is believed to be rooted in the ancient Irish word for "champion" or "cloud," and it is associated with the legendary 5th-century king Niall of the Nine Hostages, a significant figure in Irish history. The O'Neil family originally hails from the province of Ulster, particularly in what is now Northern Ireland, where they were prominent as chieftains and later as earls. The name reflects the lineage and noble heritage of those who bore it, often linked to leadership and military prowess. Variations of the surname can be found across different regions and cultures, including O'Neill, O'Neal, and Neill, with spelling variations influenced by regional dialects and anglicization processes. The name has also spread to other countries, particularly the United States, where it has become quite common, often retaining its original pronunciation but sometimes altered in spelling. Overall, O'Neil encapsulates a rich historical legacy tied to Irish nobility and cultural identity.