Jacek vs Jack

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

Name A

Jacek

Boy name · Rank #12579

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Name B

Jack

Boy name · Rank #15

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Which name is more popular?

Metric Jacek Jack
Current Rank #12579 #15
Total Births (all years) 527 748,131
Peak Year 2013 1927
Peak Year Births 37 12,802
Peak Decade 2010ss 1920ss
Gender Boy Boy
First Recorded Year 1965 1880

Births by Decade

Decade Jacek Jack
1880ss — 2,684
1890ss — 4,635
1900ss — 9,222
1910ss — 49,526
1920ss — 115,983
1930ss — 96,397
1940ss — 73,920
1950ss — 62,385
1960ss 5 35,590
1970ss 21 18,570
1980ss 35 15,942
1990ss 51 37,502
2000ss 192 95,508
2010ss 197 85,688
2020ss 26 44,579

Recent Annual Births (2014–present)

Year Jacek Jack
2014 17 8,753
2015 8 8,513
2016 21 8,430
2017 14 8,477
2018 19 8,892
2019 10 9,402
2020 10 8,942
2021 6 9,563
2022 — 8,930
2023 5 8,710
2024 5 8,434

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, 1965–2024.

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