Home › Baby Names Directory › Caitlinn

Caitlinn

♀ Girl

How to Pronounce Caitlinn

Pronounced KAYT-lin /ˈkeɪtlɪn/Medium

Meaning: Caitlinn is a respelling of Caitlin, with a doubled n. Caitlin is the Irish form of Catherine, which comes from the Greek Aikaterine. The name has long been linked to the Greek word katharos, 'pure,' by folk association. Caitlinn reads as the familiar Irish name with a decorative extra letter.Low

In 30 seconds: Caitlinn is a respelling of Caitlin, the Irish form of Catherine, linked to 'pure.' It stayed rare, peaking around 2000 (said KAYT-lin).

💕 Browse more names

Origin LowIrish, Greek

MeaningCaitlinn is a respelling of Caitlin, with a doubled n. Caitlin is the Irish form of Catherine, which comes from the Greek Aikaterine. The name has long been linked to the Greek word katharos, 'pure,' by folk association. Caitlinn reads as the familiar Irish name with a decorative extra letter.

U.S. rank (2010)#13726 ↘ Falling

2010 U.S. births7 girls (0.00% of U.S. girls)

Peak year2000

Total births (all-time)≈ 133

Popularity in the U.S. · SSA data

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

Caitlinn is one of the many respellings of Caitlin, the Irish form of Catherine. Catherine descends from the Greek Aikaterine and was early linked, by folk etymology, to katharos, 'pure.' Caitlin surged in English-speaking countries in the nineteen-nineties and around 2000, and Caitlinn is a doubled-n variant riding that wave.

Caitlinn, in this spelling, was never common, given to only about twenty girls a year even at its peak around 2000, far behind Kaitlyn and Caitlin. A girl named Caitlinn then is in her mid-twenties today.

Did you know? Caitlin and its many spellings, from Kaitlyn to Caitlinn, made the Irish form of Catherine a huge favorite around the turn of the twenty-first century.

Overall data confidence 30%

References - Caitlinn — Respelling of Caitlin, Irish form of Catherine (Greek Aikaterine, linked to 'pure')

Variations

CaitlinCaitlynKaitlyn

Nicknames

CaitLynnKatie

Famous Bearers

Famous bearers coming soon.

If you like Caitlinn…

Caitlin— the standard spelling this one doubles

Kaitlyn— the most popular respelling

Katelyn— another common form of the name

Caitlyn— a close sister spelling

Explore names like Caitlinn

By themerare respelling irish

All themes →All meanings →All origins →

Frequently Asked

What does the name Caitlinn mean?

It is a respelling of Caitlin, the Irish form of Catherine, long linked to the Greek for 'pure.'

How do you pronounce Caitlinn?

It is said KAYT-lin, two syllables with the stress on the first.

Is Caitlinn a boy or girl name?

Caitlinn is used as a girl's name.

How popular is Caitlinn?

It has always been rare in this spelling, given to only about twenty girls a year even at its peak around the turn of the twenty-first century.