Kaithlyn vs Kailey

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

Name A

Kaithlyn

Girl name · Rank #12517

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Name B

Kailey

Girl name · Rank #1283

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Which name is more popular?

Metric Kaithlyn Kailey
Current Rank #12517 #1283
Total Births (all years) 383 27,089
Peak Year 2002 2004
Peak Year Births 21 1,439
Peak Decade 2000ss 2000ss
Gender Girl Girl
First Recorded Year 1985 1970

Births by Decade

Decade Kaithlyn Kailey
1970ss — 10
1980ss 18 1,006
1990ss 62 6,830
2000ss 170 11,836
2010ss 106 6,153
2020ss 27 1,254

Recent Annual Births (2014–present)

Year Kaithlyn Kailey
2014 17 664
2015 11 587
2016 8 507
2017 10 454
2018 5 427
2019 6 346
2020 6 322
2021 6 271
2022 — 256
2023 8 225
2024 7 180

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, 1985–2024.

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