Katelyn
An American respelling of Caitlin, the Irish form of the Old French Cateline, which corresponds to Katherine, a Greek name of uncertain meaning later tied to katharos, 'pure'.
Katelyn in 2025
Katelyn was given to 225 babies in the United States in 2025, making it the 2,048th most popular name of the year. That is roughly one in every 14,735 babies born.
The history of Katelyn
Katelyn reached its highest point in 1993, when 5,975 babies were given the name, ranking 118th that year.
Across the 56 years of records since 1970, 134,206 babies have been named Katelyn. Half of them were born before 1999, which places the name's centre of gravity with Generation Z.
Katelyn by decade
| Decade | Babies named Katelyn | Best rank |
|---|---|---|
| 1970s | 183 | 2,767 |
| 1980s | 14,815 | 164 |
| 1990s | 52,863 | 118 |
| 2000s | 47,895 | 129 |
| 2010s | 16,519 | 242 |
| 2020s | 1,931 | 1,301 |
Where Katelyn is heading
Katelyn has fallen 84% over the past decade, from 1,385 babies in 2015 to 225 in 2025.
That is less than 5% of its 1993 peak — Katelyn is now a rare name in the United States.
Names like Katelyn
Names that rose and fell at the same time as Katelyn.