Jacolby vs Jack

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

Name A

Jacolby

Boy name · Rank #8503

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Name B

Jack

Boy name · Rank #15

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Which name is more popular?

Metric Jacolby Jack
Current Rank #8503 #15
Total Births (all years) 1,542 748,131
Peak Year 1992 1927
Peak Year Births 81 12,802
Peak Decade 1990ss 1920ss
Gender Boy Boy
First Recorded Year 1981 1880

Births by Decade

Decade Jacolby 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 — 35,590
1970ss — 18,570
1980ss 181 15,942
1990ss 517 37,502
2000ss 459 95,508
2010ss 305 85,688
2020ss 80 44,579

Recent Annual Births (2014–present)

Year Jacolby Jack
2014 31 8,753
2015 30 8,513
2016 35 8,430
2017 29 8,477
2018 23 8,892
2019 15 9,402
2020 17 8,942
2021 21 9,563
2022 18 8,930
2023 15 8,710
2024 9 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, 1981–2024.

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