Sumi
Sumi is classified as a female 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.
Sumi · Su Mi · Su-Mi
- Verdict
- Female
- Confidence
- Medium (source weight 8 to 63; not an accuracy rate)
- High source frequency in
- Korea, Japan, United States
- Also spelled
- Su Mi, Su-Mi
- US records 1880–2017
- 0 male / 177 female
- Data
- nam_dict (GFDL) + US SSA
- Dataset built
- 2026-09-11
How to address Sumi
If you do not know Sumi’s preferred form of address, use a greeting without Mr or Ms: “Dear Sumi,” in English, “Guten Tag Sumi,” 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 Sumi,
German
Guten Tag Sumi,
French
Bonjour Sumi,
Spanish
Estimado/a Sumi:
Chinese
Sumi您好：
Japanese
Sumi様
English
Hi Sumi,
German
Hi Sumi,
French
Salut Sumi,
Spanish
Hola Sumi,
Chinese
Sumi你好：
Japanese
Sumi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 |
|---|---|---|
| Korea | rare | woman's name |
| Japan | rare | woman's name |
| United States | rare | woman's name |
United States birth data
0 male · 177 female · 177 births recorded
Records from 1980–2017: 0% male.
Frequently asked questions
Is Sumi a male or female name?
Sumi is classified as a female given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.
How do I address Sumi in an email?
If you do not know Sumi’s preferred form of address, use a greeting without Mr or Ms: “Dear Sumi,” in English, “Guten Tag Sumi,” 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 Sumi a unisex name?
Sumi is classified as generally female 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 Sumi a male or female name?", https://www.dearwho.app/name/sumi. Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_sumi,
title = {Is Sumi a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://www.dearwho.app/name/sumi},
note = {Data: nam_dict (GFDL), US SSA public domain}
}