Jef vs Jeff

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

Name A

Jef

Boy name

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Name B

Jeff

Boy name · Rank #2915

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Which name is more popular?

Metric Jef Jeff
Current Rank Unranked #2915
Total Births (all years) 129 120,239
Peak Year 1963 1961
Peak Year Births 15 9,463
Peak Decade 1960ss 1960ss
Gender Boy Boy
First Recorded Year 1953 1880

Births by Decade

Decade Jef Jeff
1880ss — 685
1890ss — 661
1900ss — 605
1910ss — 1,532
1920ss — 1,861
1930ss — 1,522
1940ss — 5,909
1950ss 31 24,920
1960ss 71 62,072
1970ss 27 12,249
1980ss — 3,787
1990ss — 1,890
2000ss — 1,518
2010ss — 770
2020ss — 258

Recent Annual Births (2014–present)

Year Jef Jeff
2014 — 100
2015 — 72
2016 — 58
2017 — 59
2018 — 67
2019 — 53
2020 — 43
2021 — 56
2022 — 46
2023 — 35
2024 — 43
2025 — 35

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, 1953–1973.

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