Meanings
- A surname from Irish.
Origin
- Irishmac Aonghusa
- EnglishMcGuiness
Anglicized from Irish mac Aonghusa. Compare McGinnis.
More words from Irish
Full word history & related roots →Cite this entry
McGuiness. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/McGuiness
“McGuiness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/McGuiness. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “McGuiness,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/McGuiness.
Source: McGuiness on Wiktionary, CC BY-SA 4.0.