Tadeo
- Meaning
- Form of Thaddeus; meaning uncertain
- Origin
- Spanish
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What does Tadeo mean?
Tadeo means “Form of Thaddeus; meaning uncertain”.
Tadeo is a Spanish form of Thaddeus, a name with a biblical connection and an uncertain older etymology. “Gift of God” is sometimes repeated for it, but that is not a secure translation of the Thaddeus family. Its name-family relationship is clearer than one definite literal meaning.
Taddeo is an Italian form with a double d, while Thaddeus preserves the familiar English biblical spelling. Families may choose Tadeo for Spanish usage or to honor a relative with another form. The final o gives it a more open ending, and it can be used in full without a nickname.
Nicknames & variations
Explore short forms, spellings, and related names.
Nicknames for Tadeo
Short forms for everyday use.
Variations & related forms
Related forms and spellings recorded for this name.
How popular is Tadeo?
United States · 2025Explore how often Tadeo is used and how its ranking has changed.
- US boys rank
- #427 2025 · #1 is most popular
- Boys named Tadeo
- 753 Recorded births in 2025
- Change in births
- 3.7% Fewer than 2024
Tadeo over time
United States · Boys
Recorded births
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Yearly data & usage
Rankings are calculated separately for girls and boys. The summary highlights boys, the most common recorded usage in 2025.
| Year | Usage | US rank | Births |
|---|---|---|---|
| 2025 | Boys | #427 | 753 |
| 2024 | Boys | #412 | 782 |
| 2023 | Boys | #473 | 642 |
| 2022 | Boys | #522 | 568 |
| 2021 | Boys | #598 | 465 |
| 2020 | Boys | #704 | 361 |
| 2019 | Boys | #731 | 331 |
| 2018 | Boys | #839 | 266 |
| 2017 | Boys | #834 | 266 |
| 2016 | Boys | #945 | 221 |
| 2015 | Boys | #1,056 | 189 |
| 2014 | Boys | #1,053 | 189 |
Years reflect available birth records. Missing records do not mean zero births.
Names like Tadeo
Explore the connection, then save your favorites to compare.
Thaddeus
Mostly boys- Meaning
- Ancient name of uncertain origin
Listed among Tadeo’s variations and related forms.
Mateo
Mostly boys- Meaning
- Gift of God
Shares an origin with Tadeo.
Santiago
Mostly boys- Meaning
- Saint James
Shares an origin with Tadeo.
Angel
Unisex- Meaning
- Angel; messenger
Shares an origin with Tadeo.
Leonardo
Mostly boys- Meaning
- Brave lion
Shares an origin with Tadeo.
Emiliano
Mostly boys- Meaning
- Traditionally rival; emulating
Shares an origin with Tadeo.
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