Feminine dossier · first seen 1880
Cleo
Resurgent
Gaining cultural share
Peak era
1920
Peak births
1,049
Current vitality
Fragile
Peak generation
Greatest Generation
Quick answers about Cleo
How many people are named Cleo?
An estimated 7,873 living Americans are named Cleo.
How rare is Cleo?
Cleo is moderately uncommon among babies today, with 516 girls receiving the name in 2025, down 50.8% from its 1920 peak.
How old is the typical Cleo?
The median age of a living American named Cleo is approximately 16 years, with most bearers falling between 5 and 64 years old.
Is Cleo still popular?
Yes — Cleo is currently rising in popularity, with 516 births in 2025. Births this decade are running about 4.1× higher than the previous decade.
Where is Cleo most common?
Cleo has its strongest geographic signal in Utah, where it appears 5.0× more often than the national baseline.
1880Peak 19202025
Peak year
1920
Decline from peak
50.8%
2025
516
All-time
33,565