Mariko
Mariko is a female given name: 98% of people named Mariko are women, and it is recorded as female in 2 of the 2 countries covered.
- Verdict
- Female
- Male / female split
- 2% male / 98% female
- Confidence
- High (64 or more weighted country observations)
- Most common in
- Japan, United States
- US births since 1880
- 6 male / 1,261 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Mariko
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Mariko," in English, "Guten Tag Mariko," in German. Mariko is a female given name: about 98% of people named Mariko are women. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Mariko,
German
Guten Tag Mariko,
French
Bonjour Mariko,
Spanish
Estimado/a Mariko:
Chinese
Mariko您好：
Japanese
Mariko様
English
Hi Mariko,
German
Hi Mariko,
French
Salut Mariko,
Spanish
Hola Mariko,
Chinese
Mariko你好：
Japanese
Mariko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 | Male share |
|---|---|---|---|
| Japan | common | woman's name | 2% |
| United States | uncommon | woman's name | 1% |
United States birth data
6 male · 1,261 female · 1,267 births recorded
Since 1980: 1% male.
Frequently asked questions
Is Mariko a male or female name?
Mariko is a female given name: 98% of people named Mariko are women, and it is recorded as female in 2 of the 2 countries covered.
How do I address Mariko in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Mariko," in English, "Guten Tag Mariko," in German. Mariko is a female given name: about 98% of people named Mariko are women. A quick look at a profile confirms it for certain.
Is Mariko a unisex name?
Mariko is not a unisex name: 2% of people named Mariko are men. Mariko leans strongly female overall.
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, public domain. Method: how we classify names. Full dataset: data & licences. Data built 2026-09-11.
DearWho, "Is Mariko a male or female name?", https://dearwho.vercel.app/name/mariko (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_mariko,
title = {Is Mariko a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/mariko},
note = {Data: nam_dict (GFDL), US SSA public domain}
}