Masculine dossier · first seen 1910
Stefan
Stable
Cross-generational persistence
Peak era
1991
Peak births
719
Current vitality
Fragile
Peak generation
Millennial
Quick answers about Stefan
How many people are named Stefan?
An estimated 19,567 living Americans are named Stefan.
How rare is Stefan?
Stefan is uncommon among babies today, with 219 boys receiving the name in 2025, down 69.5% from its 1991 peak.
How old is the typical Stefan?
The median age of a living American named Stefan is approximately 33 years, with most bearers falling between 21 and 43 years old.
Is Stefan still popular?
Yes. Stefan is holding steady, with 219 births in 2025 and a consistent recent baseline.
Where is Stefan most common?
Stefan has its strongest geographic signal in New York, where it appears 2.9× more often than the national baseline.
1910Peak 19912025
Peak year
1991
Decline from peak
69.5%
2025
219
All-time
21,195
Where it lives now
Stefan is most concentrated in Illinois — about 2.6× the national rate in the 2020s.
States where Stefan is given more often than the national average — its present-day heartland.