Eon

♂ Boy

Pronounced EE-on /ˈi.ɑn/Medium

Meaning: From Greek aion, 'an age, an eternity; a lifetime'; also a spelling of Eoin (the Irish John, 'God is gracious'); routes layeredLow

In 30 seconds: An age, an eternity: Eon is Greek for 'an age' — and echoes the Irish Eoin. Crisp, cosmic, and warm.

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Origin LowGreek, Irish

MeaningFrom Greek aion, 'an age, an eternity; a lifetime'; also a spelling of Eoin (the Irish John, 'God is gracious'); routes layered

U.S. rank (2025)#6567 ↘ Falling

2025 U.S. births13 boys (0.00% of U.S. boys)

Peak year2024

Total births (all-time)≈ 417

Popularity in the U.S. · SSA data

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

Eon comes from Greek aion, 'an age, an eternity; a lifetime' — and also reads as a spelling of Eoin, the Irish form of John, 'God is gracious' (routes layered, which we note). A crisp, cosmic, modern name.

It registers thinly in records. Rare, an-age-or-God-is-gracious at the root, and cosmic.

Did you know? Eon (aion) means 'an age, an eternity' in Greek — and is also a spelling of Eoin (the Irish John, 'God is gracious'); a crisp, cosmic name.

Overall data confidence 55%

References — Eon / aion — routes layered

Variations

AeonEoinIan

Nicknames

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If you like Eon…

Eoin— the Irish form it echoes

Ian— a companion John form

Leon— another short -eon name

Eamon— another Irish name

Echo— lands in the same popularity range

Explore names like Eon

By themeuncertain greek word-name irish

By meaningGod / Divine Grace

All themes →All meanings →All origins →

Frequently Asked

What does the name Eon mean?

Eon is Greek for 'an age, an eternity', and echoes the Irish Eoin ('God is gracious'); the routes are layered.

How do you pronounce Eon?

It's said EE-on /ˈi.ɑn/ — two syllables, stress on the first.

Is Eon a boy or girl name?

Eon is a boy's name.

How popular is Eon?

Eon is a rare name in the U.S.