Cailyn vs Caitlyn

Side-by-side comparison of Cailyn and Caitlyn — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Cailyn

Girl name · Rank #3284

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Name B

Caitlyn

Girl name · Rank #2347

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Which name is more popular?

Metric Cailyn Caitlyn
Current Rank #3284 #2347
Total Births (all years) 5,509 52,531
Peak Year 2009 1998
Peak Year Births 401 2,937
Peak Decade 2000ss 1990ss
Gender Girl Girl
First Recorded Year 1979 1968

Births by Decade

Decade Cailyn Caitlyn
1960ss — 5
1970ss 5 71
1980ss 120 4,474
1990ss 857 21,991
2000ss 2,445 19,781
2010ss 1,791 5,652
2020ss 291 557

Recent Annual Births (2014–present)

Year Cailyn Caitlyn
2014 178 692
2015 177 494
2016 114 249
2017 87 232
2018 67 206
2019 70 198
2020 70 127
2021 55 126
2022 65 123
2023 53 103
2024 48 78

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1979–2024.

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