Kathlyn
Girl nameKathlyn has been given to 5,156 babies in the U.S. since 1897. It peaked in 1951.
Popularity over time births per year, 1880–2025
Total babies
5,156
Peak year
1951 (125 babies)
Rank in 2025
Below top 1000
First recorded
1897
10-year trend
▲ +27%
Gender split
All girls
Rank through the decades
Kathlyn's rank among U.S. girl names at 25-year milestones.
| Year | Girls rank |
|---|---|
| 1950 | #878 |
— means outside the top 1000 that year.
Spellings & variants
Names one letter away from Kathlyn — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Kathlyn.
FAQ
How popular is the name Kathlyn?
Kathlyn has been given to 5,156 babies in the U.S. since 1897. It ranked below the top 1000 in 2025.
When did the name Kathlyn peak?
Kathlyn peaked in 1951, when 125 babies were given the name.
Is Kathlyn a girl or boy name?
Kathlyn is primarily a girl name (100% of babies named Kathlyn are girls).
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