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Kaitlin

♀ Girl

Pronounced KAYT-lin /ˈkeɪt.lɪn/High

Meaning: Spelling of Caitlin — the Irish form of Katherine, linked to Greek katharos, 'pure'Medium

In 30 seconds: Pure and classic: Kaitlin spells Caitlin — the Irish Katherine, 'pure'. Crisp, sweet, and warm.

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Origin MediumGreek, Irish

MeaningSpelling of Caitlin — the Irish form of Katherine, linked to Greek katharos, 'pure'

U.S. rank (2025)#4114 ↗ Rising

2025 U.S. births35 girls (0.00% of U.S. girls)

Peak year1995

Total births (all-time)≈ 57,354

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

Kaitlin is a K-spelling of Caitlin — the Irish form of Katherine, traditionally linked to Greek katharos, 'pure'. A crisp, classic name (hugely popular in the 1990s); the spelling personalizes it (nickname Katie).

It registers thinly today. Rare now, pure at the root, and crisp.

Did you know? Caitlin is the Irish form of Katherine, traditionally linked to Greek katharos, 'pure' — Kaitlin is a popular K-spelling; crisp and sweet.

Overall data confidence 78%

Behind the Name — Caitlin — root etymology

Variations

CaitlinKatelynKaitlyn

Nicknames

KatieKait

Famous Bearers

Famous bearers coming soon.

If you like Kaitlin…

Caitlin— the Irish spelling

Katelyn— a fellow spelling

Kaitlyn— a companion spelling

Katherin— echoes that soft -in sound

Kristin— another Greek name

Explore names like Kaitlin

By themegreek irish

By meaningPurity

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Frequently Asked

What does the name Kaitlin mean?

Kaitlin spells Caitlin — the Irish Katherine, linked to Greek 'pure'.

How do you pronounce Kaitlin?

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

Is Kaitlin a boy or girl name?

Kaitlin is a girl's name.

How popular is Kaitlin?

Kaitlin is a rare name in the U.S. today.