Back to Baby Names

Caitlin

Pronunciation: [ k-AYTL-ihn ]

Girl Name #1,686 Most Popular Hidden Gem 2 Syllables

Ireland's own Catherine — pure and timeless

Irish Welsh American English Australian
Classic Traditional Elegant Earthy Vintage

Meaning & Origin

"pure, clear"
Origin: Greek via Irish
Language: Irish
"each of the two, pure"
Origin: Greek Aikaterine
Language: English

Things to Know About This Name

  • Caitlin Jenner (Kaitlyn) — for some families this spelling may evoke a political association

The Story of Caitlin

Caitlin is the Irish form of Catherine/Katherine, derived from the Greek Aikaterine, whose meaning is debated — it is often associated with the Greek katharos meaning pure or clear. Caitlin was the standard Irish Gaelic spelling, brought to English speakers through the Irish literary and cultural revival of the late 19th and 20th centuries. The traditional Irish pronunciation (KATH-lin or KAWT-leen) differs markedly from how most Americans say the name.

Caitlin peaked in the US during the 1980s-1990s as Irish names became fashionable. The name spawned numerous spelling variants (Kaitlyn, Katelyn, Caitlyn) as American parents sought phonetic spellings. By the 2010s, the name was declining as the Kaitlyn spelling dominated.

In Irish culture, Caitlín has been used as a personification of Ireland itself in poetry and song, similar to Éire or Hibernia. The 18th-century poem Caitlín Ní Uallacháin by William Heffernan depicts Ireland as a woman longing for liberation.

Fun Facts

  • Caitlín was used as a poetic personification of Ireland in 18th-century aisling (dream vision) poetry
  • The traditional Irish pronunciation KAWT-leen is very different from the American KAYT-lin — leading to endless mispronunciation

Caitlin in Other Languages

Greek Αικατερίνη
Irish Caitlín
French Catherine
Russian Екатерина
Spanish Catalina

Famous People Named Caitlin

C

Caitlin Clark

Athlete

2002

American basketball player who broke NCAA scoring records at Iowa and became the top WNBA draft pick in 2024

C

Caitlin Moran

Writer

1975

British journalist, author, and feminist known for How to Be a Woman and her column in The Times

Quick Facts

Gender
Girl
Syllables
2
Popularity Rank
#1,686
Total SSA Count
121
Cultural Origins
Irish Welsh American English Australian
Pronunciation
Hard
Formality
Moderate
Cross-Cultural Ease
Moderate

Alternative Spellings

Common Nicknames

Cait Kate Katie Catie

Pairs Well With

Caitlin Marie Caitlin Ann Caitlin Elizabeth Caitlin Rose Caitlin Grace Caitlin Louise Caitlin Brigid

Sibling Names

Also a Boy Name

Caitlin is also used as a boy name, ranked #7094.

View Caitlin as a boy name →

Similar Names

Playground Safety

Kid-Friendly

Can't decide?

Start a tournament bracket with Caitlin and other names you're considering.

Start a Tournament

Like this name?

Check how Caitlin sounds with your surname and test for potential nicknames.

Analyze This Name
Browse more girl names →

Explore More Generators

Frequently Asked Questions About Caitlin

What does the name Caitlin mean?
"pure, clear" (from Greek via Irish). "each of the two, pure" (from Greek Aikaterine). Caitlin is the Irish form of Catherine/Katherine, derived from the Greek Aikaterine, whose meaning is debated — it is often associated with the Greek katharos meaning pure or clear. Caitlin was the standard Irish Gaelic spelling, brought to English speakers through the Irish literary and cultural revival of the late 19th and 20th centuries. The traditional Irish pronunciation (KATH-lin or KAWT-leen) differs markedly from how most Americans say the name.
What is the origin of the name Caitlin?
Caitlin has Greek via Irish, Greek Aikaterine, Irish, Welsh, American, English, and Australian origins. In Greek via Irish, it means "pure, clear". In Greek Aikaterine, it means "each of the two, pure".
Is Caitlin a boy or girl name?
Caitlin is used as both a girl and boy name. As a girl name, it is ranked #1686. As a boy name, it is ranked #7094. Caitlin is more commonly used as a girl name.
How do you pronounce Caitlin?
Caitlin is pronounced k-AYTL-ihn.
How popular is the name Caitlin?
Caitlin is currently ranked #1686 in popularity for girl names in the United States.
What are common nicknames for Caitlin?
Common nicknames for Caitlin include Cait, Kate, Katie, and Catie.
What are good middle names for Caitlin?
Popular middle name pairings include Caitlin Marie, Caitlin Ann, Caitlin Elizabeth, Caitlin Rose, Caitlin Grace, Caitlin Louise, and Caitlin Brigid.
What are good sibling names for Caitlin?
Names that pair well with Caitlin as siblings include Siobhan, Fiona, Ciara, Declan, Conor, Aisling, and Niamh.
How many syllables does Caitlin have?
Caitlin has 2 syllables, making it easy to say and remember.
Is Caitlin a common or rare name?
Caitlin is an uncommon name, ranked #1686 in the US. Its rarity gives it a distinctive, memorable quality.

About the Name Caitlin

Caitlin is a girl name with Irish, Welsh, American, English, and Australian origins . The name means "pure, clear" in Greek via Irish .

Is Caitlin a boy or girl name? Caitlin is used as both a girl and boy name. As a girl name, it ranks #1,686 in popularity. As a boy name, it ranks #7,094. Caitlin is more commonly used as a girl name.

Caitlin is currently ranked #1,686 in popularity for girl names in the United States.

The name Caitlin has 2 syllables and is pronounced k-AYTL-ihn, making it easy to pronounce and remember.

Common nicknames for Caitlin include Cait, Kate, Katie, and Catie. These shorter forms provide casual alternatives while keeping the elegance of the full name.

Alternative spellings of Caitlin include Caitlyn . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.

Explore Name Lists