AgeName

How old is someone named Mateo?

The average Mateo is 8 years old.

Half of all living Mateos are between 3 and 11.

Estimated alive
125K
Median age
7
Peak year
2024
Mostly
Gen Alpha

Mateo has been rising for years and peaked in 2024, so most Mateos are still kids.

Popular names of 2024 · The most popular names of the 2020s →

Show the numbers by decade
Babies named Mateo by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s50
1910s630
1920s1620
1930s102under 100
1940s112under 100
1950s116under 100
1960s102under 100
1970s285260
1980s370350
1990s2,0102,000
2000s10,49010,000
2010s50,63450,000
2020s62,32762,000

How many Mateos are still alive?

About 130,000 Mateos are alive in the US today. That's 99% of the roughly 130,000 babies named Mateo since 1904.

Nearly every Mateo ever born is still alive, because almost all of them are young.

What generation is the name Mateo?

About four in five living Mateos are in Gen Alpha, born in 2013 or later.

See all Gen Alpha names →

Is Mateo an old name?

No. Mateo is one of the youngest names around: younger than 98 in 100 names on AgeByName.

Looking ahead: if babies keep getting the name at today's pace, the typical Mateo will be 21 in 2056, so the name is aging slowly.

Names that sound young →

Is Mateo a boy or girl name?

Almost entirely boys: 99.9% of living Mateos are men.

Names the same age as Mateo

NAME TWIN

Mateo's name twin is Ezra. Of all 3,713 names on AgeByName, Ezra's age curve is the closest match to Mateo's: 94% alike.

Other spellings: Matteo (9)

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Questions about the name Mateo

How old is the average Mateo?

The average Mateo in the US is 8 years old. The median is 7, so half are older and half younger.

How many people are named Mateo?

About 130,000 Mateos are alive in the US today, out of roughly 130,000 babies given the name since 1904.

When was the name Mateo most popular?

In 2024, when about 11,000 baby boys were named Mateo.

Is Mateo a Gen Alpha name?

Yes. About 84% of living Mateos are in Gen Alpha, born in 2013 or later.

Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this