Feminine dossier · first seen 1880
Isabelle
Stable Decline
Gradual decline from 2007
Peak era
2007
Peak births
4,106
Current vitality
Healthy
Peak generation
Gen Z
Quick answers about Isabelle
How many people are named Isabelle?
An estimated 82,810 living Americans are named Isabelle.
How rare is Isabelle?
Isabelle is moderately uncommon among babies today, with 1,825 girls receiving the name in 2025, down 55.6% from its 2007 peak.
How old is the typical Isabelle?
The median age of a living American named Isabelle is approximately 17 years, with most bearers falling between 10 and 23 years old.
Is Isabelle still popular?
Somewhat. Isabelle has been declining since its 2007 peak and registered 1,825 births in 2025.
Where is Isabelle most common?
Isabelle has its strongest geographic signal in Vermont, where it appears 5.5× more often than the national baseline.
1880Peak 20072025
Peak year
2007
Decline from peak
55.6%
2025
1,825
All-time
107,762
Where it lives now
Isabelle is most concentrated in New Hampshire — about 4.1× the national rate in the 2020s.
States where Isabelle is given more often than the national average — its present-day heartland.