Masculine dossier · first seen 1966
Isai
Stable
Cross-generational persistence
Peak era
2007
Peak births
333
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Isai
How many people are named Isai?
An estimated 7,224 living Americans are named Isai.
How rare is Isai?
Isai is uncommon among babies today, with 186 boys receiving the name in 2025, down 44.1% from its 2007 peak.
How old is the typical Isai?
The median age of a living American named Isai is approximately 18 years, with most bearers falling between 10 and 25 years old.
Is Isai still popular?
Yes. Isai is holding steady, with 186 births in 2025 and a consistent recent baseline.
Where is Isai most common?
Isai has its strongest geographic signal in Texas, where it appears 4.9× more often than the national baseline.
1966Peak 20072025
Peak year
2007
Decline from peak
44.1%
2025
186
All-time
7,340