Tadeo

Tadeo - A very unique male name



  Nov 05,2026      Abigail Adams, Editorial writer   

Tadeo at a glance

Tadeo is ranked #419 among boy baby names in 2025, with 733 births in 2025. It peaked in 2024 at #414 and first appeared on the charts in 1989.

Rank in 2025
#419
Births in 2025
733
Peak year
2024 (#414)
First appeared
1989
Trend
#707 in 2020 → #419 in 2025 (Rising)
Popularity
1 in 2,000 boys
Visitor rating
5.0/5 (1 recent votes)

Source: U.S. Social Security Administration · Data through 2025 · Updated 2026

Tadeo appeared on the charts for the first time in 1989 on position #3385. In this article you'll learn the history of this name, statistics, see famous people named Tadeo and more.
Are you having a baby or looking to learn more about the name Tadeo? Our experts and editorial staff have gathered trends and insights for 30,000+ baby names over the last 100 years -- And on this page you will learn everything you ever wanted to know about the name Tadeo. The baby boy name Tadeo was given to 733 baby boys in 2025, ranking #419 on the national boy baby name top chart.

Must Try: Find A Perfect Name Based On Your Last Name...

With that position 1 in 2,000 baby boys were given this name - making this a very unique male name according to our Popularity Score algorithm. Tadeo peaked in popularity 2 years ago in 2024 on position 414.



Famous with this name

Tadeo Morales
Tadeo Villalba
Yael Tadeo


How would you rate Tadeo, 1-5?

Rating: 5.0/5 (1 recent votes)


Tadeo is currently topping the charts in...

Did you know that popularity can vary a lot between states? Tadeo is currently topping the baby name charts in California at position #192 - and is the least popular in Indiana at position #933.

Why care about state specific baby name charts? It could be that a name that is very popular on the national overall charts is less (or even more) popular where you live. So make sure you check out the state specific charts below and find out how popular or unique Tadeo is where you live.


Comment and discuss




Tadeo origin and meaning

Aramaic/Greek, via Spanish

Spanish form of Thaddeus, from Aramaic/Greek Thaddaios; its meaning is uncertain, often linked to 'heart' or treated as a form of Theodore, 'gift of God'

Tadeo is the Spanish form of the apostle's name Thaddeus (Jude Thaddeus). Long rare in the U.S., it has climbed fast since 2020, from #707 to #419, as Spanish heritage names gain ground.

Origin uncertain

Tadeo is a 5 letter name with 3 syllables.

To see famous people named Tadeo, pop culture references for the name Tadeo and nicknames & variations - visit Nameberry or Wikipedia.

Similar to Tadeo

We've found the following names that sound similar to Tadeo, sorted by popularity.

Todd / Ted / Ty / Theo / Teddy / Tate / Tod / Thad / Tad / Tye /

Name statistics


Most parents-to-be know if they want a popular or unique name, and with these charts and data tables you can easily get a better understanding of how popular or unique this name is.

With a quick glance you can easily tell if this name is increasing or declining in popularity - But note that its current popularity can actually differ a lot from state to state.

Chart position per year (visualized)



Chart position per state (visualized)



Chart position per year (table view)


Year Rank
2025419
2024414
2023471
2022540
2021601
2020707
2019742
2018824
2017828
2016946
20151049
20141029
20131155
20121494
20111598
20101914
20092055
20082082
20072005
20062040
20052202
20042611
20032251
20022761
20013349
19992912
19893385

Chart position per state (table view)


State Rank
California192
Arizona231
Texas253
Oregon279
Washington307
New Mexico308
Illinois314
Idaho370
Arkansas395
Colorado397
Georgia413
North Carolina415
Nevada438
Alabama447
South Carolina467
Kansas581
Utah613
Tennessee633
Missouri644
Iowa652
Wisconsin676
Oklahoma691
Kentucky696
Ohio708
Minnesota797
Pennsylvania838
Florida843
Virginia869
New York881
Michigan892
New Jersey905
Indiana933

Even more about Tadeo


These are some of the common questions you may want to have answered to know if this is the perfect name for your baby.

Is Tadeo a common or unique name?

By analyzing the number of births and frequency of this name we've determined that it's currently a very unique male name.

What is the number of syllables for the name Tadeo?

3 syllables. Why is this important? One of the things that makes a baby name sound good and have a nice rythm is the number of syllables - and especially the number of syllables along with the syllable count for your last name. A simple rule is to avoid having the same number of syllables in your first, middle and last name.

Pronunciation

tah-DEH-oh · /tɑˈdɛoʊ/

Around the world

  • Tadeo (Spanish) — Used as-is in Spanish
  • Taddeo (Italian) — Italian form
  • Tadeusz (Polish) — Polish form of the same name

Spellings and nicknames

  • Thaddeus — English form of the same name
  • Thadeo — Respelling

Nicknames: Teo

Famous bearers

  • Jude Thaddeus — One of the Twelve Apostles, known in Spanish as San Judas Tadeo (Biblical) Historical

Style

BiblicalInternational

Why parents choose it

It offers a warm, heritage-rich alternative to Theodore and Mateo, with Teo as a modern nickname.

Worth knowing

  • English speakers often mispronounce it (TAD-ee-oh or tuh-DAY-oh) and may hear it as Mateo.

Recommended articles


New data stories


#
On chart
2024
Peak year
Male


Popularity Score™

Name Tadeo
Gender Male
Popularity 1 in 2,000
Letter count 5
Syllable count 3
Year first discovered 1989
2025 births +733

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