Masculine dossier · first seen 1918
Sebastain
Stable
Cross-generational persistence
Peak era
2002
Peak births
24
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Sebastain
How many people are named Sebastain?
An estimated 491 living Americans are named Sebastain.
How rare is Sebastain?
Sebastain is very rare among babies today, with 9 boys receiving the name in 2025, down 62.5% from its 2002 peak.
How old is the typical Sebastain?
The median age of a living American named Sebastain is approximately 21 years, with most bearers falling between 12 and 29 years old.
Is Sebastain still popular?
Yes. Sebastain is holding steady, with 9 births in 2025 and a consistent recent baseline.
1918Peak 20022025
Peak year
2002
Decline from peak
62.5%
2025
9
All-time
510