Seiichi vs Seif

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

Name A

Seiichi

Boy name

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Name B

Seif

Boy name · Rank #10363

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Which name is more popular?

Metric Seiichi Seif
Current Rank Unranked #10363
Total Births (all years) 40 275
Peak Year 1919 2014
Peak Year Births 8 16
Peak Decade 1920ss 2010ss
Gender Boy Boy
First Recorded Year 1919 1998

Births by Decade

Decade Seiichi Seif
1910ss 8 —
1920ss 32 —
1990ss — 7
2000ss — 86
2010ss — 113
2020ss — 69

Recent Annual Births (2014–present)

Year Seiichi 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, 1919–1926.

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