Caitlin vs Cailyn

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

Name A

Caitlin

Girl name · Rank #1680

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Name B

Cailyn

Girl name · Rank #3284

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Which name is more popular?

Metric Caitlin Cailyn
Current Rank #1680 #3284
Total Births (all years) 112,068 5,509
Peak Year 1988 2009
Peak Year Births 7,246 401
Peak Decade 1990ss 2000ss
Gender Girl Girl
First Recorded Year 1955 1979

Births by Decade

Decade Caitlin Cailyn
1950ss 46 —
1960ss 410 —
1970ss 1,278 5
1980ss 33,584 120
1990ss 49,035 857
2000ss 22,298 2,445
2010ss 4,935 1,791
2020ss 482 291

Recent Annual Births (2014–present)

Year Caitlin Cailyn
2014 628 178
2015 477 177
2016 218 114
2017 161 87
2018 166 67
2019 142 70
2020 110 70
2021 85 55
2022 86 65
2023 80 53
2024 121 48

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, 1955–2024.

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