Mcgannon
name
name ·3 syllables ·Rare ·Advanced level
Definitions
Proper Noun
- 1 A surname from Irish.
Etymology
Anglicized form of Irish Mag Fhionnáin (“son of Fhionnán”), a personal name from a diminutive of fionn (“white, fair”). Compare McLennan.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.