Masculine dossier · first seen 1880
Issac
Stable Decline
Gradual decline from 2008
Peak era
2008
Peak births
820
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Issac
How many people are named Issac?
An estimated 21,591 living Americans are named Issac.
How rare is Issac?
Issac is uncommon among babies today, with 258 boys receiving the name in 2025, down 68.5% from its 2008 peak.
How old is the typical Issac?
The median age of a living American named Issac is approximately 21 years, with most bearers falling between 13 and 32 years old.
Is Issac still popular?
Not especially. Issac has been declining since its 2008 peak and registered 258 births in 2025.
Where is Issac most common?
Issac has its strongest geographic signal in Mississippi, where it appears 7.5× more often than the national baseline.
1880Peak 20082025
Peak year
2008
Decline from peak
68.5%
2025
258
All-time
24,554
Where it lives now
Issac is most concentrated in Mississippi — about 7.5× the national rate in the 1950s.
States where Issac is given more often than the national average — its present-day heartland.