Girl Name · Irish Origin
Katelyn
Last reviewed: June 2026
Katelyn is a girl baby name of Irish origin, meaning "Pure". It currently sits in the Top 1000 tier of US baby names for 2026, and parents who love Katelyn often also consider Kaitlyn.
Names like Katelyn
- Kaitlyn — meaning, origin and popularity
- Kathlyn — meaning, origin and popularity
- Kathleen — meaning, origin and popularity
- Kaitlynn — meaning, origin and popularity
- Katalina — meaning, origin and popularity
- Kathryn — meaning, origin and popularity
- Katheryn — meaning, origin and popularity
- Karolyn — meaning, origin and popularity
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Frequently asked about Katelyn
What does the name Katelyn mean?
Katelyn means "Pure" and is of Irish origin.
What is the origin of Katelyn?
Katelyn originates in Irish naming tradition. Names of Irish origin often share recognizable sounds and cultural roots that shape how the name reads today.
How do you pronounce Katelyn?
Katelyn has 7 letters and is most commonly stressed on the first syllable. Tap the pronunciation player on this page to hear it spoken aloud.
Is Katelyn a boy's or girl's name?
Katelyn is primarily used as a girl's name in US records, though usage can vary by region and era.
How popular is Katelyn in 2026?
In our 2026 popularity tracker, Katelyn sits in the Top 1000 tier — distinctive but not obscure.
What names are similar to Katelyn?
Names that share Katelyn's sound and style include Kaitlyn, Kathlyn, Kathleen, Kaitlynn, Katalina. Open the "Names like Katelyn" rail on this page for the full list.