McGuinness

McGuinness
PronunciationMa-Gin-iss
Language(s)Irish
Origin
Word/nameCeltic languages: old Irish
DerivationMac Aonghuis
MeaningSon of Angus
Region of originUlster, Ireland
Arms of McGuinness

McGuinness (also MacGuinness, McGinnis, Guinness) is an Irish surname. It derives from and is an anglicized form of the Gaelic Mac Aonghuis, literally meaning "son of Angus" (Angus meaning "one, choice"). It may also denote the name Mac Naois.

People with the surname include: