Masculine dossier · first seen 1977
Izaac
Stable Decline
Gradual decline from 2009
Peak era
2009
Peak births
151
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Izaac
How many people are named Izaac?
An estimated 2,807 living Americans are named Izaac.
How rare is Izaac?
Izaac is very rare among babies today, with 44 boys receiving the name in 2025, down 70.9% from its 2009 peak.
How old is the typical Izaac?
The median age of a living American named Izaac is approximately 16 years, with most bearers falling between 11 and 22 years old.
Is Izaac still popular?
Not especially. Izaac has been declining since its 2009 peak and registered 44 births in 2025.
Where is Izaac most common?
Izaac has its strongest geographic signal in California, where it appears 1.9× more often than the national baseline.
1977Peak 20092025
Peak year
2009
Decline from peak
70.9%
2025
44
All-time
2,845
Where it lives now
Izaac is most concentrated in California — about 1.9× the national rate in the 2020s. It also runs high in Texas.
States where Izaac is given more often than the national average — its present-day heartland.