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
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.
How do you pronounce Katelyn?
Katelyn has 7 letters and is most commonly stressed on the first syllable.
Is Katelyn a boy's or girl's name?
Katelyn is primarily used as a girl's name in US records.
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.