McGuinness
PatronymicMeaning
Son of Guinness, derived from the Gaelic personal name Aonghus.
Etymology
The prefix 'Mc' means 'son of' in Irish and Scottish Gaelic. Guinness comes from Aonghus, an Old Irish name meaning 'one strength' or 'unique strength.'
About the McGuinness Surname
A prominent Irish surname with strong roots in northern Ireland. The name has been documented since medieval times and remains common in Irish genealogical records.
Distribution
Primarily found in Ireland, particularly in Ulster and Connacht regions.
Notable Bearers
Desmond Guinness, Alec Guinness