Katlyn
A respelling of Caitlin, the Irish form of Catherine that arrived through the Old French Cateline. Catherine itself comes from the Greek Aikaterine.
Katlyn in 2025
Katlyn was given to 12 babies in the United States in 2025, making it the 14,703rd most popular name of the year. That is roughly one in every 276,279 babies born.
The history of Katlyn
Katlyn reached its highest point in 1995, when 1,260 babies were given the name, ranking 463rd that year.
Across the 47 years of records since 1979, 18,438 babies have been named Katlyn. Half of them were born before 1997, which places the name's centre of gravity with Generation Z.
Katlyn by decade
| Decade | Babies named Katlyn | Best rank |
|---|---|---|
| 1970s | 7 | 12,447 |
| 1980s | 1,922 | 770 |
| 1990s | 10,718 | 463 |
| 2000s | 5,077 | 633 |
| 2010s | 624 | 2,727 |
| 2020s | 90 | 9,598 |
Where Katlyn is heading
Katlyn has fallen 76% over the past decade, from 50 babies in 2015 to 12 in 2025.
That is less than 5% of its 1995 peak — Katlyn is now a rare name in the United States.
Names like Katlyn
Names that rose and fell at the same time as Katlyn.