Cailyn vs Caitlynn

Side-by-side comparison of Cailyn and Caitlynn — 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

Caitlynn

Girl name · Rank #7709

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Which name is more popular?

Metric Cailyn Caitlynn
Current Rank #3284 #7709
Total Births (all years) 5,509 4,935
Peak Year 2009 1998
Peak Year Births 401 297
Peak Decade 2000ss 2000ss
Gender Girl Girl
First Recorded Year 1979 1985

Births by Decade

Decade Cailyn Caitlynn
1970ss 5 —
1980ss 120 191
1990ss 857 1,793
2000ss 2,445 2,050
2010ss 1,791 827
2020ss 291 74

Recent Annual Births (2014–present)

Year Cailyn Caitlynn
2014 178 82
2015 177 70
2016 114 44
2017 87 41
2018 67 34
2019 70 21
2020 70 30
2021 55 10
2022 65 13
2023 53 7
2024 48 14

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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