Thea
Thea is a female given name: 99% of people named Thea are women, and it is recorded as female in 11 of the 11 countries covered.
- Verdict
- Female
- Male / female split
- 1% male / 99% female
- Confidence
- High (64 or more weighted country observations)
- Most common in
- United States, East Frisia, Netherlands
- US births since 1880
- 5 male / 11,835 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Thea
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Thea," in English, "Guten Tag Thea," in German. Thea is a female given name: about 99% of people named Thea are women. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Thea,
German
Guten Tag Thea,
French
Bonjour Thea,
Spanish
Estimado/a Thea:
Chinese
Thea您好：
Japanese
Thea様
English
Hi Thea,
German
Hi Thea,
French
Salut Thea,
Spanish
Hola Thea,
Chinese
Thea你好：
Japanese
Thea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 | woman's name | 0% |
| East Frisia | uncommon | woman's name | 2% |
| Netherlands | uncommon | woman's name | 2% |
| Germany | rare | woman's name | 2% |
| Austria | rare | woman's name | 2% |
| Switzerland | rare | woman's name | 2% |
| Estonia | rare | woman's name | 2% |
| Norway | rare | woman's name | 2% |
| Belgium | rare | woman's name | 2% |
| Georgia | rare | woman's name | 2% |
| India and Sri Lanka | rare | woman's name | 2% |
United States birth data
5 male · 11,835 female · 11,840 births recorded
Since 1980: 0% male.
Frequently asked questions
Is Thea a male or female name?
Thea is a female given name: 99% of people named Thea are women, and it is recorded as female in 11 of the 11 countries covered.
How do I address Thea in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Thea," in English, "Guten Tag Thea," in German. Thea is a female given name: about 99% of people named Thea are women. A quick look at a profile confirms it for certain.
Is Thea a unisex name?
Thea is not a unisex name: 1% of people named Thea are men. Thea 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 Thea a male or female name?", https://dearwho.vercel.app/name/thea (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_thea,
title = {Is Thea a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/thea},
note = {Data: nam_dict (GFDL), US SSA public domain}
}