Seikichi vs Seif

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

Name A

Seikichi

Boy name

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Name B

Seif

Boy name · Rank #10363

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Which name is more popular?

Metric Seikichi Seif
Current Rank Unranked #10363
Total Births (all years) 28 275
Peak Year 1927 2014
Peak Year Births 7 16
Peak Decade 1920ss 2010ss
Gender Boy Boy
First Recorded Year 1918 1998

Births by Decade

Decade Seikichi Seif
1910ss 5 —
1920ss 23 —
1990ss — 7
2000ss — 86
2010ss — 113
2020ss — 69

Recent Annual Births (2014–present)

Year Seikichi Seif
2014 — 16
2015 — 14
2016 — 12
2017 — 6
2018 — 12
2019 — 12
2020 — 13
2021 — 7
2022 — 14
2023 — 14
2024 — 7
2025 — 14

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, 1918–1928.

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