Feminine dossier · first seen 1912
Cosette
Stable
Cross-generational persistence
Peak era
2015
Peak births
141
Current vitality
Fragile
Peak generation
Gen Alpha
1912Peak 20152025
Quick answers about Cosette
How many people are named Cosette?
An estimated 2,874 living Americans are named Cosette.
How rare is Cosette?
Cosette is uncommon among babies today, with 113 girls receiving the name in 2025, down 19.9% from its 2015 peak.
How old is the typical Cosette?
The median age of a living American named Cosette is approximately 14 years, with most bearers falling between 8 and 25 years old.
Is Cosette still popular?
Yes. Cosette is holding steady, with 113 births in 2025 and a consistent recent baseline.
Where is Cosette most common?
Cosette has its strongest geographic signal in Utah, where it appeared 13.2× more often than the national baseline in the 2020s.
Peak year
2015
Decline from peak
19.9%
2025
113
All-time
3,080
Where it lives now
Cosette is most concentrated in Utah — about 13.2× the national rate in the 2020s.
States where Cosette is given more often than the national average — its present-day heartland.