Seferino vs Sef

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

Name A

Seferino

Boy name

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Name B

Sef

Boy name

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Which name is more popular?

Metric Seferino Sef
Current Rank Unranked Unranked
Total Births (all years) 1,235 12
Peak Year 1952 2004
Peak Year Births 23 6
Peak Decade 1920ss 2000ss
Gender Boy Boy
First Recorded Year 1905 2004

Births by Decade

Decade Seferino Sef
1900ss 5 —
1910ss 75 —
1920ss 159 —
1930ss 147 —
1940ss 158 —
1950ss 140 —
1960ss 112 —
1970ss 121 —
1980ss 107 —
1990ss 90 —
2000ss 83 12
2010ss 32 —
2020ss 6 —

Recent Annual Births (2014–present)

Year Seferino Sef
2017 5 —
2018 7 —
2020 6 —

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, 1905–2020.

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