Brain
Brain is a male given name: 100% of people named Brain are men, and it is recorded as male in 1 of the 1 countries covered.
- Verdict
- Male
- Male / female split
- 100% male / 0% female
- Confidence
- High (64 or more weighted country observations)
- Most common in
- United States
- US births since 1880
- 4,597 male / 10 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Brain
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Brain," in English, "Guten Tag Brain," in German. Brain is a male given name: about 100% of people named Brain are men. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Brain,
German
Guten Tag Brain,
French
Bonjour Brain,
Spanish
Estimado/a Brain:
Chinese
Brain您好:
Japanese
Brain様
English
Hi Brain,
German
Hi Brain,
French
Salut Brain,
Spanish
Hola Brain,
Chinese
Brain你好:
Japanese
Brain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 |
|---|---|---|---|
| United States | common | man's name | 100% |
United States birth data
4,597 male · 10 female · 4,607 births recorded
Since 1980: 100% male.
Frequently asked questions
Is Brain a male or female name?
Brain is a male given name: 100% of people named Brain are men, and it is recorded as male in 1 of the 1 countries covered.
How do I address Brain in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Brain," in English, "Guten Tag Brain," in German. Brain is a male given name: about 100% of people named Brain are men. A quick look at a profile confirms it for certain.
Is Brain a unisex name?
Brain is not a unisex name: 100% of people named Brain are men. Brain leans strongly male 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 Brain a male or female name?", https://dearwho.vercel.app/name/brain (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_brain,
title = {Is Brain a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/brain},
note = {Data: nam_dict (GFDL), US SSA public domain}
}