Katlyn vs Kathleen

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

Name A

Katlyn

Girl name · Rank #5478

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Name B

Kathleen

Girl name · Rank #1107

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Which name is more popular?

Metric Katlyn Kathleen
Current Rank #5478 #1107
Total Births (all years) 18,421 713,438
Peak Year 1995 1951
Peak Year Births 1,260 26,716
Peak Decade 1990ss 1950ss
Gender Girl Girl
First Recorded Year 1979 1880

Births by Decade

Decade Katlyn Kathleen
1880ss — 389
1890ss — 1,942
1900ss — 3,924
1910ss — 16,592
1920ss — 33,597
1930ss — 34,550
1940ss — 152,981
1950ss — 224,341
1960ss — 120,950
1970ss 7 44,846
1980ss 1,917 39,395
1990ss 10,718 24,847
2000ss 5,077 10,065
2010ss 624 3,808
2020ss 78 1,211

Recent Annual Births (2014–present)

Year Katlyn Kathleen
2014 60 422
2015 50 341
2016 30 340
2017 19 314
2018 26 306
2019 27 280
2020 11 253
2021 8 262
2022 15 228
2023 21 248
2024 23 220

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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