Seiji vs Seif

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

Name A

Seiji

Boy name · Rank #9028

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Name B

Seif

Boy name · Rank #11493

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Which name is more popular?

Metric Seiji Seif
Current Rank #9028 #11493
Total Births (all years) 509 260
Peak Year 2007 2014
Peak Year Births 19 16
Peak Decade 2000ss 2010ss
Gender Boy Boy
First Recorded Year 1914 1998

Births by Decade

Decade Seiji Seif
1910ss 16 —
1920ss 74 —
1930ss 22 —
1970ss 28 —
1980ss 31 —
1990ss 75 7
2000ss 116 86
2010ss 106 113
2020ss 41 54

Recent Annual Births (2014–present)

Year Seiji Seif
2014 12 16
2015 11 14
2016 7 12
2017 12 6
2018 6 12
2019 5 12
2020 10 13
2021 7 7
2022 7 14
2023 9 14
2024 8 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, 1914–2024.

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