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Home › Baby Names Directory › Gannon

Gannon

♂ Boy

Pronounced GAN-nohn /ˈgæn.noʊn/Medium

Meaning: Irish surname from Mag Fhionnáin, 'son of the fair one', from fionn 'fair, white'.Low

In 30 seconds: Gannon is an Irish surname-turned-first-name from Mag Fhionnáin, 'son of the fair one', built on fionn meaning 'fair' or 'white'.
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Origin MediumIrish
MeaningIrish surname from Mag Fhionnáin, 'son of the fair one', from fionn 'fair, white'.
U.S. rank (2025)#2216 ↘ Falling
2025 U.S. births64 boys (0.00% of U.S. boys)
Peak year2014
Total births (all-time)≈ 6,675

Popularity in the U.S. · SSA data

peak 201419662025

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Gannon began as the Irish surname Mag Fhionnáin, meaning 'son of the fair one', with its core in the word fionn for 'fair' or 'white'. Like many Irish family names, it has since crossed over into use as a given name for boys.

The hard opening and clipped two-syllable shape give it a sturdy, modern-sounding edge while keeping its Irish roots audible.

Did you know? Gannon reached first-name use through an Irish surname route, from Mag Fhionnáin 'son of Fionnán', which gives it that modern borrowed-from-history feel.
Overall data confidence 62%
Behind the Name - Gannon — etymology, usage, pronunciation, and related formsU.S. Social Security Administration — 2024 popularity rank and count supplied in the batch input CSV

Variations

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Nicknames

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If you like Gannon…

Finn— comes straight from fionn, the 'fair' root inside Gannon
Cannon— a surname-style boy's name that rhymes closely with Gannon
Gavin— another Celtic-rooted boy's name with a similar sound to Gannon
Keon— shares Gannon's Irish roots
Kavon— lands in the same popularity range

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Frequently Asked

What does the name Gannon mean?

Gannon is usually explained as meaning 'descendant of the fair one' or 'little fair-haired one', from the Irish surname Mag Fhionnáin ('son of Fionnán', a diminutive of fionn 'fair, white'). It is most often linked with Irish tradition.

How do you pronounce Gannon?

It's commonly said GAN-nohn /ˈgæn.noʊn/.

Is Gannon a boy or girl name?

In this batch and in recent U.S. usage data, Gannon is used as a boy name.

How popular is Gannon?

In 2024, Gannon ranked #1861 in the U.S. for boys, with 86 births recorded.

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