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Home › Baby Names Directory › Cailynn

Cailynn

♀ Girl

Pronounced KAY-lin /ˈkeɪ.lɪn/High

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

In 30 seconds: Soft and modern: Cailynn joins a Cai- sound to the -lynn ending, echoing Cailin ('a girl') and Kayla. A sweet coinage, fresh and warm.
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Origin LowAmerican, Irish
MeaningModern coinage joining a Cai-/Kay- sound (echoing Cailin, Irish 'a girl', and Kayla) to the -lynn ending; no single fixed root
U.S. rank (2025)#6588 ↘ Falling
2025 U.S. births17 girls (0.00% of U.S. girls)
Peak year2009
Total births (all-time)≈ 1,183

Popularity in the U.S. · SSA data

peak 200919902025

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

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

It registers thinly in records. Rare, a-modern-coinage at the root, and sweet.

Did you know? Cailynn brushes Cailin (Irish 'a girl, a lass') and Kayla, with the popular -lynn ending — a soft, modern coinage (a sister spelling of Caelynn).
Overall data confidence 45%
U.S. Social Security Administration name files — recent emergence

Variations

CaelynnKaelynnKaylynn

Nicknames

Cai

Famous Bearers

  • Famous bearers coming soon.

If you like Cailynn…

Caelynn— a fellow spelling
Kaelynn— a companion spelling
Kaylynn— another -lynn name
Caitlin— a sound-neighbor Irish name

Explore names like Cailynn

By themeuncertainenglishcoinageirish

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Frequently Asked

What does the name Cailynn mean?

Cailynn joins a Cai- sound to -lynn (echoing Cailin/Kayla); it has no single fixed meaning, so we flag it.

How do you pronounce Cailynn?

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

Is Cailynn a boy or girl name?

Cailynn is a girl's name.

How popular is Cailynn?

Cailynn is a rare, recent name in the U.S.

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