O'Neill

Meaning

Descendant of Niall, derived from the Gaelic 'niall' meaning 'champion' or 'cloud.'

Etymology

The surname originates from the Irish 'Ó Néill,' where 'Ó' denotes 'descendant of' and Niall is a personal name. The etymology of Niall is debated, with some sources suggesting 'champion' and others proposing 'cloud' or 'passionate.'

About the O'Neill Surname

O'Neill is one of Ireland's most significant surnames, originating from the powerful O'Neill dynasty of Ulster. The family played a crucial role in Irish history, particularly during the Nine Years' War and subsequent periods.

Distribution

Primarily found in Ulster, particularly in County Tyrone and County Antrim, with major populations in the United States, Canada, Australia, and the United Kingdom.

People with the O'Neill Surname