Masculine dossier · first seen 1880
Thaddeus
Stable
Cross-generational persistence
Peak era
2016
Peak births
416
Current vitality
Fragile
Peak generation
Gen Alpha
Quick answers about Thaddeus
How many people are named Thaddeus?
An estimated 17,643 living Americans are named Thaddeus.
How rare is Thaddeus?
Thaddeus is uncommon among babies today, with 314 boys receiving the name in 2025, down 24.5% from its 2016 peak.
How old is the typical Thaddeus?
The median age of a living American named Thaddeus is approximately 35 years, with most bearers falling between 15 and 53 years old.
Is Thaddeus still popular?
Yes. Thaddeus is holding steady, with 314 births in 2025 and a consistent recent baseline.
Where is Thaddeus most common?
Thaddeus has its strongest geographic signal in Louisiana, where it appears 3.5× more often than the national baseline.
1880Peak 20162025
Peak year
2016
Decline from peak
24.5%
2025
314
All-time
26,057