Tadeo
Thaddeus is a masculine given name.
- Spanish
Meaning & Origin of Tadeo
What this name means, where it came from, and how it has traveled across cultures.
Thaddeus is a masculine given name.
Source: Wikipedia (CC BY-SA 3.0). Read more →
Cultural Origins (via Behind the Name)
- Spanish
The Story of Tadeo
The earliest SSA record of Tadeo as a baby boy name dates back to 1968, when 5 babies received it. 2026 was its biggest year on record, with 852 newborns named Tadeo — #382 in the national rankings. About 66% of every Tadeo on record arrived during the 2020s, its defining decade. As of 2026, Tadeo ranks #382 for baby boys with 852 births, rising sharply (+116% over the past five years). All told, over 7K Americans have carried the name since 1880, from the 1960s to the 2020s.
Popularity Over Time
Popularity by State
Where is Tadeo most common?
Predicted country distribution based on naming patterns globally.
- Philippines38%
- Mexico23%
- UG17%
- PE12%
- GT10%
Source: Nationalize.io . Probabilities are global naming-pattern estimates, not strict counts.
Names that sound like Tadeo
Phonetically similar names — useful when Tadeo is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Tadeo
What does the name Tadeo mean?
What is the origin of the name Tadeo?
How popular is Tadeo in 2026?
When was Tadeo most popular?
In which U.S. states is Tadeo most popular?
Is Tadeo a unisex name?
What names go well with Tadeo?
About the name Tadeo
Tadeo is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1968 and has accumulated 7K births in the dataset. Tadeo's peak popularity came in 2026 when it ranked #382. Use the chart and map above to compare Tadeo's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2026 →
- Names of the 2020s →
- Names starting with "T" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.