Tadeo

Courageous heart — a boy name of Spanish origin

GenderBoy
OriginSpanish
MeaningCourageous heart
Pronunciationtah-DAY-oh

Popularity of Tadeo in the United States

#427Rank in 2025
753Births in 2025
#412 in 2024Peak Popularity
↑ Rising10-Year Trend

Data: U.S. Social Security Administration (SSA). Based on all Social Security card applications for births in the United States.

Meaning & Origin of Tadeo

Tadeo is the Spanish form of Thaddeus, a name of debated etymology often interpreted as "courageous heart" or "praised." In the New Testament, Thaddeus was one of the twelve apostles of Jesus, sometimes identified with Jude. The name spread through Spanish-speaking Catholic communities thanks to its apostolic and saintly associations. Tadeo has become increasingly popular in the United States among Hispanic families, valued for its warm sound and deep religious heritage.

Tadeo Around the World

Tadeo is used in 1 languages worldwide, with 13+ international variants.

Languages
Spanish
Details

TypeMale given name

International Variants
ThaddeusLatin
TaddeoItalian
TadeuszPolish
TadejSlovene
TadeášCzech
ThaddéeFrench
TadasLithuanian
Tádé
ThaddaeusLatin
TadijaCroatian
TadeuPortuguese
TadeiUkrainian
TadevushBelarusian

Linguistic data: Wikidata (CC0). Variants and language usage may vary by region.

Nicknames for Tadeo

TadTeo

Famous People Named Tadeo

  • Tadeo Gaddi — Italian Renaissance painter and architect
  • Tadeo Haenke — Czech-Bohemian botanist and explorer
  • Tadeo Gómez — American professional soccer player

Similar Names to Tadeo

If you like Tadeo, you might also consider these names with a similar feel.

Also consider:Rafael

Sibling Name Ideas for Tadeo

Looking for names that pair well with Tadeo? Here are some sibling name suggestions that share a similar style and feel.

Frequently Asked Questions

What does the name Tadeo mean?

Tadeo is a boy name of Spanish origin meaning "Courageous heart." Tadeo is the Spanish form of Thaddeus, a name of debated etymology often interpreted as "courageous heart" or "praised." In the New Testament, Thaddeus was one of the twelve apostles of Jesus, sometimes identified with Jude.

How do you pronounce Tadeo?

Tadeo is pronounced tah-DAY-oh. Common variations include Thaddeus, Tadeusz, Taddeo.

Is Tadeo a boy name?

Yes, Tadeo is traditionally a boy name. Popular nicknames include Tad, Teo.

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