Cailyn

Q: What is the origin of Cailyn?

Cailyn is of Irish origin. The name carries significant cultural meaning and has been used across generations within its origin tradition.

Q: Is Cailyn a girl name?

Cailyn is traditionally a girl name. Modern naming practices are increasingly flexible, and names can be used across genders based on personal choice and cultural context.

female

Updated 7 months ago

Meaning

"Girl; Slender"

A modern given name with multiple proposed roots, it is variously linked to Irish forms and meanings such as girl.

Themes:irishmodernvariantkaylinunisex

Unique Rare

Fact-checked by Lily Anderson

M.F.A. Creative Writing, Sarah LawrencePublished NovelistName Collection Curator • Creative Names Editor

This name has been verified against authoritative sources including SSA data, etymology databases, and cultural naming traditions.

Popularity History of Cailyn

Full SSA rank history from 1880 to 2024

#3278Ranked in 2024

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Yearly Ranking Snapshot

Pick any SSA release year to inspect that year's national ranking and how it changed from the year before.

Year

Selected Year Rank

#3278

Cailyn was nationally ranked in 2024.

Change Vs Previous Year

-177

lower than 2023

Data Source

Popularity rankings are based on official data from the Social Security Administration (SSA), which tracks baby name applications in the United States.

Last updated: 2024 • Data source updated annually

Cailyn Nicknames

Familiar short forms, playful variations, and easy everyday options for Cailyn.

8 ideas

caiy

Nickname

cail

Nickname

cie

Nickname

ilyn

Nickname

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Baby Name Lists That Include Cailyn

Browse every Namylab list page that currently includes Cailyn, from meaning and origin collections to letter, syllable, and themed baby name lists.

13 linked lists

❓ Frequently Asked Questions

What does the name Cailyn mean?

Cailyn means "Girl; Slender". A modern given name with multiple proposed roots, it is variously linked to Irish forms and meanings such as girl.

What is the origin of Cailyn?

Cailyn is of Irish origin. The name has been used historically across cultures and carries significant cultural meaning within its origin tradition.

How popular is the name Cailyn?

According to the latest SSA data, Cailyn is currently ranked #3278 in the United States. The name has shown interesting trends over the past century, with popularity varying based on cultural preferences and naming trends.

Is Cailyn a girl name?

Cailyn is traditionally a girl name. However, modern naming practices are increasingly flexible, and names can be used across genders based on personal preference.

What are good nicknames for Cailyn?

Popular nicknames for Cailyn include caiy, cail, cie, cy, and more. These offer shorter, more casual alternatives for everyday use.

What names are similar to Cailyn?

There are many names similar to Cailyn in meaning, origin, or sound. Explore the Similar Names section to discover alternatives that may resonate with you.

Quick Facts

OriginIrish, English

Syllables2

Length6 letters

US Rank#3278

Trend↓ Falling

Starts withC

Sibling Ideas

Brothers

Aedan Aven Adian Aeden Ayven

Sisters

Ashlynn Arline Arleen Allene Alannah

Explore More Girl Names Like Cailyn

Cailyn has Irish roots, making it a wonderful choice if you love names from this heritage. Discover more options in our Irish baby names collection, where you'll find hundreds of names with similar cultural depth.

Cailyn appears in several of our curated collections. Check out Beautiful Irish Baby Names and Unique Baby Names for more names with a similar feel. You might also enjoy browsing Traditional English Names and Names That Mean Miracle And Blessing for Boys and Girls.

Before you decide, try our Full Name Preview to see how Cailyn pairs with your surname. The Sibling Name Matcher can help find names that complement Cailyn beautifully, and the Nickname Predictor reveals the most common short forms.

Explore our full baby name lists for origin-based, meaning-based, and themed collections, or head back to the baby name generator to continue your search.