Seiichi
Seiichi is classified as a male given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.
Confidence describes the weight of the source data, not a measured accuracy rate.
- Verdict
- Male
- Confidence
- Medium (source weight 8 to 63; not an accuracy rate)
- High source frequency in
- Japan
- Data
- nam_dict (GFDL) + US SSA
- Dataset built
- 2026-09-11
How to address Seiichi
If you do not know Seiichi’s preferred form of address, use a greeting without Mr or Ms: “Dear Seiichi,” in English, “Guten Tag Seiichi,” in German. Include their family name if you know it. The name’s classification describes its usage. Follow the form of address the person uses for themselves.
Ready-made greetings in six languages
English
Dear Seiichi,
German
Guten Tag Seiichi,
French
Bonjour Seiichi,
Spanish
Estimado/a Seiichi:
Chinese
Seiichi您好：
Japanese
Seiichi様
English
Hi Seiichi,
German
Hi Seiichi,
French
Salut Seiichi,
Spanish
Hola Seiichi,
Chinese
Seiichi你好：
Japanese
Seiichiさん
This is a statistical estimate, not a statement about the gender, identity or correct form of address of any particular person.
Country breakdown
| Country | How common | Usually |
|---|---|---|
| Japan | uncommon | man's name |
Frequently asked questions
Is Seiichi a male or female name?
Seiichi is classified as a male given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.
How do I address Seiichi in an email?
If you do not know Seiichi’s preferred form of address, use a greeting without Mr or Ms: “Dear Seiichi,” in English, “Guten Tag Seiichi,” in German. Include their family name if you know it. The name’s classification describes its usage. Follow the form of address the person uses for themselves.
Is Seiichi a unisex name?
Seiichi is classified as generally male in the combined dataset. This does not rule out other uses. Our categories describe the sources, rather than a complete survey of everyone with this name.
Related names
Sources
Gender by country: nam_dict, the c't first-names dictionary by Joerg Michael, roughly 44,000 names across 55 countries, licensed GFDL. US frequencies: United States Social Security Administration baby-name data (1880–2017), public domain. Classifications are not measured accuracy rates. Method: how we classify names. Full dataset: data & licences. US source data (babynames). Dataset built 2026-09-11; this is not a new collection date for the source records.
DearWho, "Is Seiichi a male or female name?", https://www.dearwho.app/name/seiichi. Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_seiichi,
title = {Is Seiichi a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://www.dearwho.app/name/seiichi},
note = {Data: nam_dict (GFDL), US SSA public domain}
}