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

HomeBaby Names DirectoryKaileen

Kaileen

♀ Girl

Pronounced kay-LEEN /keɪˈlin/Medium

Meaning: Modern coinage joining a Kai-/Kay- sound (echoing Cailin, Irish 'a girl', and Kayla) to the -leen ending; no single fixed rootLow

In 30 seconds: Soft and modern: Kaileen joins a Kai- sound to the -leen ending, echoing Cailin ('a girl') and Kathleen. A sweet coinage, fresh and warm.
💕 Browse more names
Origin LowAmerican, Irish
MeaningModern coinage joining a Kai-/Kay- sound (echoing Cailin, Irish 'a girl', and Kayla) to the -leen ending; no single fixed root
U.S. rank (2024)#5066 ↘ Falling
2024 U.S. births26 girls (0.00% of U.S. girls)
Peak year2022
Total births (all-time)≈ 834

Popularity in the U.S. · SSA data

peak 202219762024

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

Kaileen is a modern coinage joining a Kai-/Kay- sound — echoing Cailin, Irish 'a girl, a lass', and Kayla — to the -leen ending, also echoing Kathleen (routes layered, which we flag). It has no single fixed root; the sweet sound carries it.

It registers thinly in records. Rare, a-girl-in-echo, and sweet.

Did you know? Kaileen brushes Cailin (Irish 'a girl, a lass') and Kathleen, with the -leen ending — a soft, modern coinage.
Overall data confidence 45%
U.S. Social Security Administration name files — recent emergence

Variations

KaileneKayleneCailin

Nicknames

Kai

Famous Bearers

  • Famous bearers coming soon.

If you like Kaileen…

Kaylene— a fellow -lene/-leen name
Kathleen— a companion -leen name
Kailyn— another Kai- coinage
Karsen— echoes that soft -en sound
Rowen— a fellow Irish choice

Explore names like Kaileen

All themes →All meanings →All origins →

Frequently Asked

What does the name Kaileen mean?

Kaileen joins a Kai- sound to -leen (echoing Cailin/Kathleen); it has no single fixed meaning, so we flag it.

How do you pronounce Kaileen?

It's said kay-LEEN /keɪˈlin/ — two syllables, stress on the second.

Is Kaileen a boy or girl name?

Kaileen is a girl's name.

How popular is Kaileen?

Kaileen is a rare name in the U.S.

💬 Ask Nia