Kasey

♀ Girl

Pronounced KAY-see /ˈkeɪ.si/Medium

Meaning: A spelling variant of Casey, from the Irish surname Ó Cathasaigh, derived from 'cathasach' meaning 'vigilant' or 'watchful'.Medium

In 30 seconds: Kasey is a spelling variant of Casey, from the Irish surname Ó Cathasaigh and the word 'cathasach', meaning 'vigilant' or 'watchful'.

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Origin MediumIrish

MeaningA spelling variant of Casey, from the Irish surname Ó Cathasaigh, derived from 'cathasach' meaning 'vigilant' or 'watchful'.

U.S. rank (2025)#1876 ↘ Falling

2025 U.S. births105 girls (0.01% of U.S. girls)

Peak year1992

Total births (all-time)≈ 33,325

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

The name traces to the Irish surname Ó Cathasaigh, built on 'cathasach', a word for someone vigilant or watchful. Casey is the familiar anglicized form, and Kasey swaps the opening letter for a softer look. It works easily as a girl's name in modern use.

The K-spelling and the bright -ey ending give Kasey a casual, friendly tone, and it sits among a wide spread of spellings like Kacey and Kaycee.

Did you know? Kasey is a spelling variant of Casey, so it keeps the same core meaning of 'origin uncertain' while changing the visual style.

Overall data confidence 78%

Behind the Name - Kasey — etymology, usage, pronunciation, and related formsU.S. Social Security Administration — 2024 popularity rank and count supplied in the batch input CSV

Variations

CaseyKaceyKacieKayceKaycee

Nicknames

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If you like Kasey…

Casey— The standard spelling of the same Irish-rooted name.

Kacie— A softer-ending form of the same name.

Kaycee— A doubled-letter spelling within the same family.

Kayce— A trimmed variant carrying the same 'watchful' root.

Explore names like Kasey

By themeenglish unisex

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Frequently Asked

What does the name Kasey mean?

Kasey is usually explained as meaning 'origin uncertain' and is most often linked with English tradition.

How do you pronounce Kasey?

It's commonly said KAY-see /ˈkeɪ.si/.

Is Kasey a boy or girl name?

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

How popular is Kasey?

In 2024, Kasey ranked #1597 in the U.S. for girls, with 131 births recorded.