Masculine dossier · first seen 1880
Isaac
Stable Decline
Gradual decline from 2007
Peak era
2007
Peak births
10,274
Current vitality
Strong
Peak generation
Gen Z
Quick answers about Isaac
How many people are named Isaac?
An estimated 298,287 living Americans are named Isaac.
How rare is Isaac?
Isaac is still widely used among babies today, with 5,953 boys receiving the name in 2025, down 42.1% from its 2007 peak.
How old is the typical Isaac?
The median age of a living American named Isaac is approximately 18 years, with most bearers falling between 10 and 27 years old.
Is Isaac still popular?
Somewhat. Isaac has been declining since its 2007 peak and registered 5,953 births in 2025.
Where is Isaac most common?
Isaac has its strongest geographic signal in South Carolina, where it appears 7.0× more often than the national baseline.
1880Peak 20072025
Peak year
2007
Decline from peak
42.1%
2025
5,953
All-time
331,508
Where it lives now
Isaac is most concentrated in South Carolina — about 6.1× the national rate in the 1950s.
States where Isaac is given more often than the national average — its present-day heartland.