Kaitlyn vs Kailey

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

Name A

Kaitlyn

Girl name · Rank #651

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Name B

Kailey

Girl name · Rank #1283

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Which name is more popular?

Metric Kaitlyn Kailey
Current Rank #651 #1283
Total Births (all years) 166,341 27,089
Peak Year 2000 2004
Peak Year Births 8,759 1,439
Peak Decade 1990ss 2000ss
Gender Girl Girl
First Recorded Year 1971 1970

Births by Decade

Decade Kaitlyn Kailey
1970ss 77 10
1980ss 10,891 1,006
1990ss 67,565 6,830
2000ss 66,909 11,836
2010ss 18,353 6,153
2020ss 2,546 1,254

Recent Annual Births (2014–present)

Year Kaitlyn Kailey
2014 2,060 664
2015 1,662 587
2016 998 507
2017 938 454
2018 805 427
2019 701 346
2020 624 322
2021 520 271
2022 470 256
2023 482 225
2024 450 180

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, 1971–2024.

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