Tadeo

“Spanish form of Thaddaeus, the apostle Jude; root of uncertain meaning” — Spanish, from Latin Thaddaeus origin

Boy's name · #427 in the US (2025) · Trending

Tadeo first appeared in 1968, vanished from the records entirely for 17 years, and since returning in 1986 has climbed back to #427. About 5,800 boys have carried it in all.

Around the world: about 1 in 12,000 boys in Switzerland (2024) · about 1 in 19,000 boys in Austria (2025).

Appears in 2020-2025 birth records of 32 states. See the full state-by-state map on this page.

Famous Tadeos

Tadeo Allende — Argentine footballer
Tadeo Zarratea — Paraguayan lawyer and author (born 1946)
Tadeo O'Farrell — notable figure
Tadeo Marcucci — Argentine field hockey player
Tadeo Gomez — Guitar builder

In stories & tradition

Tadeo Jones — Tadeo Jones · Tad the Lost Explorer and the Secret of King Midas

What Tadeos become

Among 18 notable people named Tadeo:

No single standout — notable Tadeos spread across many fields.

Similar names: Thaddeus · Lucca · Tatum · Matheo · Dariel · Eliseo

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.

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