What does Seiichi mean and where does it come from?
Seiichi (正一, 誠一) is a traditional Japanese name often given to boys. The name can have various meanings based on the kanji used to write it, including characteristics such as intelligence or integrity. Historically, Seiichi has been used since at least the Edo period in Japan. Notable figures includ
Cultural significance
Seiichi has been a cherished name across cultures, particularly in Japan-speaking communities, where it reflects values of japanese.
Peak popularity
Reached #3389 in 1919 — currently #1593 in the US.
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Related Reading
Japan-origin baby names with timeless appeal
Browse names →What middle names flow best with Seiichi?
Seiichi works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful
Seiichi Grace
Most popular combo · classic
Seiichi Rose
Floral · soft ending
Seiichi Mae
Sweet · timeless
Seiichi Claire
French influence · crisp
Seiichi Jane
Literary · strong
Seiichi Skye
Modern · airy feel
How popular is Seiichi right now?
Holding steady — currently #1593 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2023 | #1593 | 607 | ▲ up 5 · +3% births |
| 2022 | #1598 | 587 | ▲ up 5 · +5% births |
| 2021 | #1603 | 557 | ▲ up 2104 · +7857% births |
| 1925 | #3707 | 7 | ▼ down 239 · -12% births |
| 1920 | #3468 | 8 | — |
The story of Seiichi
Seiichi entered American naming records in 1919 and has been in use for over 105 years. With 40 total births recorded, Seiichi remains relatively uncommon. The name has grown more popular over time, rising from #3468 in 1920 to #1593 in 2023.
Names that peaked alongside Seiichi in 1919:
💎Seiichi has only 40 total recorded births since 1919 — rarer than 99% of names in our database.
What are good nicknames for Seiichi?
Common
SeiSeiiSeiieSeiyIchi
What names sound and feel like Seiichi?
Based on sound, origin, and style — parents who love Seiichi also consider these
Common questions about the name Seiichi
What does the name Seiichi mean?
Seiichi means "Japanese" — a name rooted in Japan tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Seiichi?
Seiichi is currently a distinctive and less common name as a boy name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Seiichi?
Seiichi originates from Japan tradition. Japan names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
Is Seiichi a common or rare name?
Seiichi is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.
What are good nicknames for Seiichi?
Seiichi naturally lends itself to affectionate nicknames. Shortened versions based on the first syllable are most popular, and many parents also create unique pet names that feel personal to their family.