Mateo
Mateo 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
- High (source weight of at least 64; not an accuracy rate)
- High source frequency in
- United States, Spain, Bosnia and Herzegovina
- US records 1880–2017
- 47,071 male / 30 female
- Data
- nam_dict (GFDL) + US SSA
- Dataset built
- 2026-09-11
How to address Mateo
If you do not know Mateo’s preferred form of address, use a greeting without Mr or Ms: “Dear Mateo,” in English, “Guten Tag Mateo,” 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 Mateo,
German
Guten Tag Mateo,
French
Bonjour Mateo,
Spanish
Estimado/a Mateo:
Chinese
Mateo您好：
Japanese
Mateo様
English
Hi Mateo,
German
Hi Mateo,
French
Salut Mateo,
Spanish
Hola Mateo,
Chinese
Mateo你好：
Japanese
Mateo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 |
|---|---|---|
| United States | very common | man's name |
| Spain | rare | man's name |
| Bosnia and Herzegovina | rare | man's name |
United States birth data
47,071 male · 30 female · 47,101 births recorded
Records from 1980–2017: 99.9% male.
Frequently asked questions
Is Mateo a male or female name?
Mateo 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 Mateo in an email?
If you do not know Mateo’s preferred form of address, use a greeting without Mr or Ms: “Dear Mateo,” in English, “Guten Tag Mateo,” 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 Mateo a unisex name?
Mateo 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 Mateo a male or female name?", https://www.dearwho.app/name/mateo. Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_mateo,
title = {Is Mateo a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://www.dearwho.app/name/mateo},
note = {Data: nam_dict (GFDL), US SSA public domain}
}