O'Neil

proper noun

A surname from Irish [in turn originating as a patronymic], a variant of O'Neill.

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Meanings

proper noun
  1. A surname from Irish [in turn originating as a patronymic], a variant of O'Neill.

Origin

See O'Neill

Full word history & related roots →
Cite this entry
APA

O'Neil. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/O'Neil

MLA

“O'Neil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/O'Neil. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “O'Neil,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/O'Neil.

Source: O'Neil on Wiktionary, CC BY-SA 4.0.