Feminine dossier · first seen 1892
Alethea
Resurgent
Gaining cultural share
Peak era
1973
Peak births
322
Current vitality
Rare
Peak generation
Gen X
Quick answers about Alethea
How many people are named Alethea?
An estimated 3,859 living Americans are named Alethea.
How rare is Alethea?
Alethea is uncommon among babies today, with 54 girls receiving the name in 2025, down 83.2% from its 1973 peak.
How old is the typical Alethea?
The median age of a living American named Alethea is approximately 48 years, with most bearers falling between 23 and 56 years old.
Is Alethea still popular?
Yes — Alethea is currently rising in popularity, with 54 births in 2025. Births this decade are running about 1.8× higher than the previous decade.
1892Peak 19732025
Peak year
1973
Decline from peak
83.2%
2025
54
All-time
4,968