The story
- Scottish Gaelic · derived fromMac Gille Mhunna“son of the servant of (Saint) Munnu”
- English todayMcMunn
Anglicized form of Scottish Gaelic Mac Gille Mhunna (“son of the servant of (Saint) Munnu”), from the personal name Munnu.
Etymology from Wiktionary, CC BY-SA 4.0.