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Home › Baby Names Directory › Keygan

Keygan

♂ Boy

How to Pronounce Keygan

Pronounced KEE-gun /ˈkiː.ɡən/High

Meaning: Keygan is a respelling of Keegan, an anglicized Irish surname from Mac Aodhagáin, 'son of Aodhagán' — a diminutive of Aodh, the old Irish name meaning 'fire'. So Keegan is often read as 'son of the little fiery one'. Keygan spells the first syllable as 'key', a modern American variant of the surname-name.Low

In 30 seconds: Keygan is a respelling of Keegan, Irish for 'son of Egan', from a root meaning 'fire' (said 'KEE-gun').
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Origin LowIrish
MeaningKeygan is a respelling of Keegan, an anglicized Irish surname from Mac Aodhagáin, 'son of Aodhagán' — a diminutive of Aodh, the old Irish name meaning 'fire'. So Keegan is often read as 'son of the little fiery one'. Keygan spells the first syllable as 'key', a modern American variant of the surname-name.
U.S. rank (2022)#13385 ↘ Falling
2022 U.S. births5 boys (0.00% of U.S. boys)
Peak year2008
Total births (all-time)≈ 397
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Popularity in the U.S. · SSA data

peak 200819962022

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

Keygan respells Keegan, from the Irish surname Mac Aodhagáin, 'son of Aodhagán', a pet form of Aodh meaning 'fire'. Adopted as a first name in the surname-name trend of the later twentieth century, Keegan gathered variant spellings; Keygan is a rarer, phonetic one carrying the same fiery Irish root.

It appeared around 1996, held a faint high point around 2008, and remained rare while Keegan flourished. A Keygan today is likely young; the spelling is a personal variant of a popular Irish surname-name.

Did you know? Keegan traces back through Irish to Aodh, an old name meaning 'fire', by way of the surname Mac Aodhagáin; Keygan gives the name a phonetic 'key' opening, and it stayed rare beside the standard spelling.
Overall data confidence 55%
References — Keygan — respelling of Keegan / Irish 'son of Aodh (fire)'

Variations

KeeganKeganKeagan

Nicknames

KeyKeeg

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If you like Keygan…

Keegan— the standard spelling and parent name
Teagan— a fellow Irish -eagan surname-name
Deegan— another Mac- surname-name of similar sound
Reagan— shares the Irish -gan ending and style

Explore names like Keygan

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Frequently Asked

What does the name Keygan mean?

Keygan is a respelling of Keegan, from the Irish for 'son of Egan', tied to Aodh, meaning 'fire'.

How do you pronounce Keygan?

It's said KEE-gun /ˈkiː.ɡən/ — two syllables, stress on the first.

Is Keygan a boy or girl name?

Keygan is used as a boy's name.

How popular is Keygan?

Keygan has always been rare, a respelling of the Irish surname-name Keegan.

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