Cailin vs Caitlyn

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

Name A

Cailin

Girl name · Rank #7661

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Name B

Caitlyn

Girl name · Rank #2347

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Which name is more popular?

Metric Cailin Caitlyn
Current Rank #7661 #2347
Total Births (all years) 3,706 52,531
Peak Year 2003 1998
Peak Year Births 164 2,937
Peak Decade 2000ss 1990ss
Gender Girl Girl
First Recorded Year 1968 1968

Births by Decade

Decade Cailin Caitlyn
1960ss 9 5
1970ss 53 71
1980ss 423 4,474
1990ss 1,079 21,991
2000ss 1,425 19,781
2010ss 604 5,652
2020ss 113 557

Recent Annual Births (2014–present)

Year Cailin Caitlyn
2014 60 692
2015 50 494
2016 24 249
2017 29 232
2018 33 206
2019 29 198
2020 42 127
2021 20 126
2022 26 123
2023 11 103
2024 14 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, 1968–2024.

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