Masculine dossier · first seen 2010
Theseus
Stable
Cross-generational persistence
Peak era
2015
Peak births
44
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Theseus
How many people are named Theseus?
An estimated 438 living Americans are named Theseus.
How rare is Theseus?
Theseus is very rare among babies today, with 19 boys receiving the name in 2025, down 56.8% from its 2015 peak.
How old is the typical Theseus?
The median age of a living American named Theseus is approximately 9 years, with most bearers falling between 5 and 12 years old.
Is Theseus still popular?
Yes. Theseus is holding steady, with 19 births in 2025 and a consistent recent baseline.
2010Peak 20152025
Peak year
2015
Decline from peak
56.8%
2025
19
All-time
442