Skip to content
BrazilNames BrazilNames

Meaning of the nameTadeu

Tadeu is the Portuguese form of Thaddaeus, the name of the apostle in the New Testament, which passed from Aramaic to Greek and Latin; the Aramaic root is of uncertain origin.

Meaning

The meaning of Tadeu is not known for certain. No reliable source documents it, so we give none; below are the origin of the spelling and the official figures.

People (2022)
18,976
Rank in Brazil
#1,101
Median age
45 years
2010 Census
24,372
people

Tadeu in the 2022 Census

People with the first name Tadeu, by the decade they were born. In the chart, 70 = the 1970s and 20+ = 2020 to 2022. The largest group was born in the 1980s (4,143 people).

76 women 18,900 men

Source: IBGE, 2022 Demographic Census, Nomes no Brasil. The census counts the first name of people alive in 2022; small counts are not published, and the first group covers everyone born before 1940. How to read these data.

Where the name Tadeu is most common

States with the highest share of people named Tadeu in the population, in the 2022 Census.

  1. Paraná 0.014%
  2. Rio de Janeiro 0.013%
  3. Espírito Santo 0.012%
  4. Minas Gerais 0.012%
  5. São Paulo 0.011%
All states
StatePeople% of population
São Paulo4,7900.011%
Minas Gerais2,4300.012%
Rio de Janeiro2,0170.013%
Paraná1,6430.014%
Rio Grande do Sul1,0690.010%
Bahia8830.006%
Pará7760.010%
Santa Catarina7500.010%
Ceará7040.008%
Pernambuco4640.005%
Espírito Santo4580.012%
Maranhão4340.006%
Goiás3100.004%
Amazonas2810.007%
Piauí2750.008%
Paraíba2680.007%
Distrito Federal2430.009%
Mato Grosso2090.006%
Mato Grosso do Sul1770.006%
Rio Grande do Norte1750.005%
Sergipe1590.007%
Alagoas1390.004%
Tocantins930.006%
Rondônia680.004%
Acre610.007%
Amapá570.008%
Roraima430.007%

States with fewer than 15 people with the name are not shown: IBGE does not publish those counts.

About the name Tadeu

According to Wiktionary, Tadeu comes from Latin Thaddaeus, from Ancient Greek Θαδδαῖος (Thaddaîos), from Aramaic תַדַּי (Ṯaday), of uncertain origin; it is the name of the apostle Thaddaeus in the New Testament. Behind the Name points to two hypotheses for the Aramaic: it perhaps comes from taḏ, 'heart, breast', or it is an Aramaic form of a Greek name such as Theodoros. Wiktionary lists Thadeu as an archaic spelling and Thaddeu and Taddeu as obsolete. In the 2022 Census, IBGE recorded 18,976 people named Tadeu, with a median age of 45; the name is almost always male and, proportionally, it is most common in Paraná.

Sources

  1. Wiktionary: Tadeu · en.wiktionary.org · origin
  2. Wiktionary: Thaddaeus · en.wiktionary.org · origin
  3. Behind the Name: Thaddaeus · behindthename.com · origin
  4. Behind the Name: Thaddeus · behindthename.com · origin

Questions about the name Tadeu

What does the name Tadeu mean?

The meaning of Tadeu is not known for certain: no reliable source documents it. So we give no meaning; the page shows the origin of the spelling and the official figures.

How many people are named Tadeu in Brazil?

IBGE's 2022 Census recorded 18,976 people with the first name Tadeu, which ranks it number 1,101 among the country's names. The largest group was born in the 1980s.

Is Tadeu a boy's or a girl's name?

Tadeu is a male name: in the 2022 Census, 76 women and 18,900 men had this name.

What is the origin of the name Tadeu?

Tadeu is a name of Aramaic, Greek and Latin origin. The sources are listed at the end of the page.

In which Brazilian state is Tadeu most common?

Proportionally, in Paraná: 0.014% of the state's population is named Tadeu (1,643 people), according to the 2022 Census.

More names of Aramaic origin

See all

Spotted a mistake? Report a correction for Tadeu with a source. See the methodology.