Recent in Baby
When Baby Resists SolidsWhen Baby Resists SolidsBaby Biting TipsBaby Biting Tips5 Tips To Help Prevent Highchair Injuries5 Tips To Help Prevent Highchair InjuriesWhen Baby and Pet MeetWhen Baby and Pet MeetTreatments for ColicTreatments for ColicBaby Milestones – The First YearBaby Milestones – The First YearTips for Relieving Teething PainTips for Relieving Teething PainBenefits of Making Your Own Baby FoodBenefits of Making Your Own Baby Food

Home › Baby Names Directory › Kaysie

Kaysie

♀ Girl

Pronounced KAY-see /ˈkeɪ.si/High

Meaning: A modern respelling of Casey/Kasey, from the Irish surname O Cathasaigh, 'brave; watchful; vigilant in war.' The -sie ending gives it a sweet, current feel.Low

In 30 seconds: A sweet respelling of Casey: Kaysie carries 'brave; watchful' (said 'KAY-see'). Bright, friendly, and current.
💕 Browse more names
Origin MediumEnglish, Irish
MeaningA modern respelling of Casey/Kasey, from the Irish surname O Cathasaigh, 'brave; watchful; vigilant in war.' The -sie ending gives it a sweet, current feel.
U.S. rank (2024)#11601 ↘ Falling
2024 U.S. births8 girls (0.00% of U.S. girls)
Peak year1990
Total births (all-time)≈ 1,256

Popularity in the U.S. · SSA data

peak 199019722024

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

Kaysie respells Casey/Kasey, from the Irish O Cathasaigh, 'brave; watchful; vigilant in war.' It reads warm and current, a friendly update on a familiar unisex name — rare in the U.S. (said 'KAY-see').

It appears only rarely for girls in the U.S., beside the common Casey. Rare, bright, and friendly.

Did you know? Kaysie is a soft respelling of Casey, from an Irish surname meaning 'brave; watchful' — the -sie ending giving the classic a cheerful, modern lift (said 'KAY-see').
Overall data confidence 48%
References — Kaysie — Casey/Kasey respelling; Irish surname 'brave; watchful'

Variations

CaseyKaseyKaycee

Nicknames

KayKaysie

Famous Bearers

  • Famous bearers coming soon.

If you like Kaysie…

Casey— the standard spelling it warms up
Kasey— a like K- spelling cousin
Macy— a like sweet -cy name
Gracie— a like cheerful -ie name

Explore names like Kaysie

By themeirishvariant-spellingcheerful
By meaningWarriorBrave / Courage

All themes →All meanings →All origins →

Frequently Asked

What does the name Kaysie mean?

Kaysie is a respelling of Casey/Kasey, from an Irish surname meaning 'brave; watchful; vigilant in war.'

How do you pronounce Kaysie?

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

Is Kaysie a boy or girl name?

Kaysie is used here for a girl; note Casey is unisex.

How popular is Kaysie?

Kaysie is a rare name for girls in the U.S.

💬 Ask Nia