Katelyn

Pure — a girl name of Irish origin

GenderGirl
OriginIrish
MeaningPure
PronunciationKAYT-lin

Popularity of Katelyn in the United States

#1077Rank in 2025
225Births in 2025
#52 in 2001Peak Popularity
↓ Declining10-Year Trend

Data: U.S. Social Security Administration (SSA). Based on all Social Security card applications for births in the United States.

Meaning & Origin of Katelyn

Katelyn is a modern respelling of Kaitlyn, itself derived from Caitlin, the Irish form of Cateline, which traces back through Old French to the Greek Aikaterine meaning "pure." The name spread from Ireland into the English-speaking world during the twentieth century and exploded into widespread use in the United States during the 1990s and 2000s, appearing in dozens of spelling variants. Katelyn blends the classical grace of Katherine with a fresh, contemporary rhythm.

Katelyn Around the World

Katelyn is used in 0 languages worldwide, with 4+ international variants.

Languages
Details

TypeFemale given name

International Variants
CaitlinDutch
Caitlyn
Katelin
Katelynnmultiple languages

Linguistic data: Wikidata (CC0). Variants and language usage may vary by region.

Nicknames for Katelyn

KateKatieLyn

Famous People Named Katelyn

  • Katelyn Ohashi — American gymnast known for her viral UCLA floor routine
  • Katelyn Tarver — American actress and singer

Similar Names to Katelyn

If you like Katelyn, you might also consider these names with a similar feel.

Also consider:Ashlyn

Sibling Name Ideas for Katelyn

Looking for names that pair well with Katelyn? Here are some sibling name suggestions that share a similar style and feel.

Frequently Asked Questions

What does the name Katelyn mean?

Katelyn is a girl name of Irish origin meaning "Pure." Katelyn is a modern respelling of Kaitlyn, itself derived from Caitlin, the Irish form of Cateline, which traces back through Old French to the Greek Aikaterine meaning "pure." The name spread from Ireland into the English-speaking world during the twentieth century and exploded into widespread use in the United States during the 1990s and 2000s, appearing in dozens of spelling variants.

How do you pronounce Katelyn?

Katelyn is pronounced KAYT-lin. Common variations include Kaitlyn, Caitlin, Katelynn.

Is Katelyn a girl name?

Yes, Katelyn is traditionally a girl name. Popular nicknames include Kate, Katie, Lyn.

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