Kazimierz vs Kaz

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

Name A

Kazimierz

Boy name · Rank #10975

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Name B

Kaz

Boy name · Rank #3278

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Which name is more popular?

Metric Kazimierz Kaz
Current Rank #10975 #3278
Total Births (all years) 77 695
Peak Year 1915 2022
Peak Year Births 9 52
Peak Decade 1910ss 2020ss
Gender Boy Boy
First Recorded Year 1914 1918

Births by Decade

Decade Kazimierz Kaz
1910ss 33 5
1920ss 11 —
1960ss 5 —
1970ss — 25
1980ss — 73
1990ss — 98
2000ss 5 96
2010ss 10 180
2020ss 13 218

Recent Annual Births (2014–present)

Year Kazimierz Kaz
2014 — 7
2015 — 22
2016 — 22
2017 — 27
2018 5 21
2019 5 35
2020 — 41
2021 7 37
2022 — 52
2023 — 52
2024 6 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, 1914–2024.

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