Feminine dossier · first seen 1880
Osa
Resurgent
Gaining cultural share
Peak era
1892
Peak births
21
Current vitality
Rare
Peak generation
Greatest Generation
Quick answers about Osa
How many people are named Osa?
An estimated 65 living Americans are named Osa.
How rare is Osa?
Osa is very rare among babies today, with 9 girls receiving the name in 2025, down 57.1% from its 1892 peak.
How old is the typical Osa?
The median age of a living American named Osa is approximately 9 years, with most bearers falling between 3 and 76 years old.
Is Osa still popular?
Yes — Osa is currently rising in popularity, with 9 births in 2025. Births this decade are running about 6× higher than the previous decade.
1880Peak 18922025
Peak year
1892
Decline from peak
57.1%
2025
9
All-time
683