Masculine dossier · first seen 1884
Isac
Stable
Cross-generational persistence
Peak era
2006
Peak births
148
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Isac
How many people are named Isac?
An estimated 2,725 living Americans are named Isac.
How rare is Isac?
Isac is very rare among babies today, with 22 boys receiving the name in 2025, down 85.1% from its 2006 peak.
How old is the typical Isac?
The median age of a living American named Isac is approximately 21 years, with most bearers falling between 16 and 28 years old.
Is Isac still popular?
Yes. Isac is holding steady, with 22 births in 2025 and a consistent recent baseline.
Where is Isac most common?
Isac has its strongest geographic signal in Texas, where it appears 2.4× more often than the national baseline.
1884Peak 20062025
Peak year
2006
Decline from peak
85.1%
2025
22
All-time
3,203
Where it lives now
Isac is most concentrated in California — about 2.0× the national rate in the 2010s.
States where Isac is given more often than the national average — its present-day heartland.