# McGannon

> English word · Proper noun

## Definitions
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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/mcgannon