Katelynn
How to say it: KAYT-lin · /ˈkeɪtlɪn/
Modern elaborated spelling of Katelyn; blending Katherine (Greek 'katharos', pure) with Lynn (Old English, lake).
Katelynn was the 381st most popular girls’ name in the United States in 2025, given to 63 babies (Social Security Administration). Its busiest decade was the 2000s, 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 | 63 |
| Share of births | 1 in 3,886 |
| Peak decade | 2000s |
| 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
Katelynn is a newcomer: almost all of its history is from the last forty years.
What goes with it
Nicknames
- Kate
- Katie
- Lyn
- Lynn
Honouring a Katelynn in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Katelynn is about 1 in 162.
Around the world
This spelling is used in English, Greek, Irish.
In France: #1,735 for girls in 2025.
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