Meanings
- A surname from Irish.
- A city, the county seat of Holt County, Nebraska, United States.
Origin
Anglicisation of an Irish surname meaning "descendant of Niall".
Full word history & related roots →Rhymes & wordplay
Rhymes with O'Neill
Cite this entry
O'Neill. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/O'Neill
“O'Neill.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/O'Neill. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “O'Neill,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/O'Neill.
Source: O'Neill on Wiktionary, CC BY-SA 4.0.