Thadeo
boy name#4050 in 2025Thadeo entered the US charts in 2014, peaked at #4050 in 2025, ranks #4050 today — a rare gem few children share.
Popularity 2014–2025
#4050
rank today
#4050
peak (2025)
26
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 2010s | #9799 |
| 2020s | #6112 |
Strongest states
Over the last decade, Thadeo has been most popular in TX, CA.
Living bearers
About 100 people named Thadeo are estimated to be alive in the US today.
Thadeo is overwhelmingly a brand-new baby name right now — most Thadeos are still in diapers.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Thadeo in 2025?
- Thadeo ranks #4050 among US boy names in 2025, with 26 babies given the name.
- When was the name Thadeo most popular?
- Thadeo peaked in 2025, reaching #4050 among US boy names.
- Will my child share the name Thadeo with classmates?
- Thadeo will almost certainly be the only one in school.
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