Masculine dossier · first seen 1881
Sebastian
Stable
Cross-generational persistence
Peak era
2016
Peak births
10,309
Current vitality
Strong
Peak generation
Gen Alpha
Quick answers about Sebastian
How many people are named Sebastian?
An estimated 211,692 living Americans are named Sebastian.
How rare is Sebastian?
Sebastian is still widely used among babies today, with 8,605 boys receiving the name in 2025, down 16.5% from its 2016 peak.
How old is the typical Sebastian?
The median age of a living American named Sebastian is approximately 12 years, with most bearers falling between 6 and 20 years old.
Is Sebastian still popular?
Yes. Sebastian is holding steady, with 8,605 births in 2025 and a consistent recent baseline.
Where is Sebastian most common?
Sebastian has its strongest geographic signal in Connecticut, where it appears 14.7× more often than the national baseline.
1881Peak 20162025
Peak year
2016
Decline from peak
16.5%
2025
8,605
All-time
218,055
Where it lives now
Sebastian is most concentrated in Connecticut — about 14.7× the national rate in the 1930s.
States where Sebastian is given more often than the national average — its present-day heartland.