Katelyn
How to say it: KAYT-lin · /ˈkeɪtlɪn/
Modern phonetic spelling of Caitlin, itself the Irish form of Catherine meaning 'pure'.
Katelyn was the 381st most popular girls’ name in the United States in 2025, given to 225 babies (Social Security Administration). Its busiest decade was the 1990s, its births are down about 83% in ten years, and it is projected to slip to #619 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among girls’ names, 2025 | #381 |
|---|---|
| Babies born in 2025 | 225 |
| Share of births | 1 in 3,886 |
| Peak decade | 1990s |
| Change over 10 years | −83% |
| Projected rank for 2030 (estimate) | #619 |
| In France, 2025 | #1,735 among girls’ names, 0 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Almost all use of Katelyn has come in recent decades, with a high in the 1990s. It is now far below that peak and expected to slip further.
What goes with it
Crisp consonants give Katelyn a bright snap across two syllables. Madison feels close in style.
Nicknames
- Kate
- Katie
- Kat
- Lynn
Honouring a Katelyn in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Katelyn is about 1 in 162.
Around the world
This spelling is used in English, French, Greek, Irish.
In France: #1,735 for girls in 2025.
Ireland: #282.
Famous people named Katelyn
- Katelyn Nacon (born 1999)American actress
- Katelyn Tarver (born 1989)American actress and singer-songwriter
- Katelyn Ohashi (born 1997)Artistic gymnast
From Wikidata and Wikipedia
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