Kaitlin vs Kaitlyn

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

Name A

Kaitlin

Girl name · Rank #5037

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Name B

Kaitlyn

Girl name · Rank #651

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Which name is more popular?

Metric Kaitlin Kaitlyn
Current Rank #5037 #651
Total Births (all years) 57,319 166,341
Peak Year 1995 2000
Peak Year Births 3,602 8,759
Peak Decade 1990ss 1990ss
Gender Girl Girl
First Recorded Year 1971 1971

Births by Decade

Decade Kaitlin Kaitlyn
1970ss 167 77
1980ss 12,459 10,891
1990ss 30,820 67,565
2000ss 11,650 66,909
2010ss 2,058 18,353
2020ss 165 2,546

Recent Annual Births (2014–present)

Year Kaitlin Kaitlyn
2014 251 2,060
2015 178 1,662
2016 81 998
2017 66 938
2018 65 805
2019 67 701
2020 47 624
2021 35 520
2022 23 470
2023 34 482
2024 26 450

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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