Catelyn is a modern American spelling variant of Caitlin, ultimately from Katherine — the Greek Katharos meaning pure — by way of the Irish Caitlín. Read more about the origin of this name below ↓
Catelyn is a modern American spelling variant of Caitlin, ultimately from Katherine — the Greek Katharos meaning pure — by way of the Irish Caitlín. The Catelyn spelling, with the C and -yn ending, gained cultural visibility through Catelyn Stark in George R. R. Martins A Song of Ice and Fire series. Catelyn peaked in 2006 within the broader Caitlin / Katelyn / Kaitlyn naming family that flourished in this era.
Catelyn remains a beloved choice. Timeless appeal across cultures and generations.
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How popular is Catelyn?
2006peak year
At its height in 2006, Catelyn reached #1,879 nationally — 108 babies received it that single year. Its strongest stretch was the 2000s — particularly the decade right around the peak. Today, Catelyn is a rare name in U.S. records with about 20 babies named Catelyn each year. Catelyn's usage has fallen in recent decades. In all, around 2,294 babies have been registered as Catelyn since 1880.
Year-by-year registrations1880–2024 · U.S. Social Security data
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