Zeferino vs Zef

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

Name A

Zeferino

Boy name

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Name B

Zef

Boy name

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Which name is more popular?

Metric Zeferino Zef
Current Rank Unranked Unranked
Total Births (all years) 329 44
Peak Year 2007 1973
Peak Year Births 14 6
Peak Decade 1990ss 2010ss
Gender Boy Boy
First Recorded Year 1919 1973

Births by Decade

Decade Zeferino Zef
1910ss 5 —
1920ss 26 —
1930ss 20 —
1940ss 10 —
1950ss 11 —
1960ss 15 —
1970ss 43 6
1980ss 57 10
1990ss 61 5
2000ss 58 6
2010ss 17 12
2020ss 6 5

Recent Annual Births (2014–present)

Year Zeferino Zef
2015 7 —
2018 5 —
2023 6 5

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, 1919–2023.

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