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Thadeo

Boy · tah-DEH-oh · Aramaic

Thadeo is a boys' name of Aramaic origin. In 2025 it ranked 4,049th for boys in the US (26 babies).

What does Thadeo mean?

Aramaic: spelling of Tadeo, the Spanish Thaddeus

A Spanish-style form of Thaddeus, one of the twelve apostles, also known as Jude.

Say it
tah-DEH-oh

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

Thadeo is a boys' name. In 2025, it was given to 26 boys in the US. Too few girls were given it to be listed.

How popular is Thadeo in the US?

Rank in 2025
#4,049among boys
Babies in 2025
26about 1 in 66,000 boys
Five-year trend
Rising fastup 225% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 26 boys in the US were named Thadeo, making it the 4,049th most popular name for boys. Five years earlier, in 2020, it was 8,734th. It first appears in the records in 2014.

It has been given to more boys each year for the last 5 years. 2025 had the most boys named Thadeo of any year since it first appeared, in 2014.

Half of all the boys named Thadeo in the US since 1880 were born between 2020 and 2024, the years shaded on the chart below.

2014Busiest: 26 in 20252025
Thadeo in the US, year by year
YearBoysRank
202526#4,049
202420#4,886
202319#5,070
202212#6,822
202111#7,084
20208#8,734
201912#6,772
20180–
20170–
20166#10,739
20157#9,562
20145#12,102

Nicknames for Thadeo

Names like Thadeo

Names given in the same years and the same naming tradition, with a similar sound.

Names related to Thadeo

More Aramaic names