Kirwin vs Kirby

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

Name A

Kirwin

Boy name

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Name B

Kirby

Boy name · Rank #2562

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Which name is more popular?

Metric Kirwin Kirby
Current Rank Unranked #2562
Total Births (all years) 5 14,532
Peak Year 1958 1957
Peak Year Births 5 357
Peak Decade 1950ss 1950ss
Gender Boy Boy
First Recorded Year 1958 1881

Births by Decade

Decade Kirwin Kirby
1880ss — 56
1890ss — 93
1900ss — 88
1910ss — 403
1920ss — 620
1930ss — 731
1940ss — 1,509
1950ss 5 3,009
1960ss — 2,351
1970ss — 1,589
1980ss — 1,338
1990ss — 1,408
2000ss — 596
2010ss — 471
2020ss — 270

Recent Annual Births (2014–present)

Year Kirwin Kirby
2014 — 40
2015 — 55
2016 — 44
2017 — 45
2018 — 51
2019 — 43
2020 — 52
2021 — 39
2022 — 44
2023 — 47
2024 — 52
2025 — 36

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, 1958–1958.

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