Cathlyn
Girl nameCathlyn has been given to 361 babies in the U.S. since 1923. It peaked in 1953.
Popularity over time births per year, 1880–2025
Total babies
361
Peak year
1953 (18 babies)
Rank in 2025
Below top 1000
First recorded
1923
10-year trend
New / returning
Gender split
All girls
Spellings & variants
Names one letter away from Cathlyn — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Cathlyn.
Sibling name ideas for Cathlyn
Same era and popularity as Cathlyn, avoiding matching initials or rhymes.
FAQ
How popular is the name Cathlyn?
Cathlyn has been given to 361 babies in the U.S. since 1923. It ranked below the top 1000 in 2025.
When did the name Cathlyn peak?
Cathlyn peaked in 1953, when 18 babies were given the name.
Is Cathlyn a girl or boy name?
Cathlyn is primarily a girl name (100% of babies named Cathlyn are girls).
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