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Home › Baby Names Directory › Kaicee

Kaicee

♀ Girl

Pronounced KAY-see /ˈkeɪ.si/High

Meaning: A creative spelling of Casey/Kacey, from the Irish surname O Cathasaigh, built on cathasach, 'vigilant; watchful.' Casey has long been unisex in the U.S.; this spelling reads clearly as a girl's.Medium

In 30 seconds: A watchful Irish root, a modern face: Kaicee respells Casey, 'vigilant' (said 'KAY-see'). Bright and friendly.
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Origin MediumIrish, English
MeaningA creative spelling of Casey/Kacey, from the Irish surname O Cathasaigh, built on cathasach, 'vigilant; watchful.' Casey has long been unisex in the U.S.; this spelling reads clearly as a girl's.
U.S. rank (2024)#14248 ↘ Falling
2024 U.S. births6 girls (0.00% of U.S. girls)
Peak year2019
Total births (all-time)≈ 129

Popularity in the U.S. · SSA data

peak 201919872024

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

Kaicee respells Casey/Kacey, a name drawn from the Irish surname O Cathasaigh, from cathasach, 'vigilant; watchful.' Casey has been popular for both girls and boys in the U.S. for decades, and the many creative spellings — Kacey, Kaci, Kaicee — mark it out as a girls' choice (said 'KAY-see').

This spelling appears rarely in the U.S. Rare in this form, Irish-rooted, and cheerful.

Did you know? Casey — the name behind Kaicee — comes from the Irish cathasach, 'vigilant; watchful,' by way of the surname O Cathasaigh. The Kai- spelling is a modern American touch.
Overall data confidence 44%
References — Kaicee — Casey/Kacey respelling; Irish O Cathasaigh

Variations

CaseyKaceyKaci

Nicknames

KaiKayCee

Famous Bearers

  • Famous bearers coming soon.

If you like Kaicee…

Casey— the name Kaicee respells
Macey— a like bright -cey two-beat
Lacey— a like sweet -cey pick
Kynlee— another modern pick
Karlee— another modern pick

Explore names like Kaicee

By thememodernirishrespelling

All themes →All meanings →All origins →

Frequently Asked

What does the name Kaicee mean?

Kaicee respells Casey, from the Irish cathasach, 'vigilant; watchful.'

How do you pronounce Kaicee?

It's said KAY-see — two syllables, stress on the first.

Is Kaicee a boy or girl name?

Kaicee is used as a girl's name; the parent name Casey is unisex.

How popular is Kaicee?

This spelling is rare in the U.S., while Casey remains well known.

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