Feminine dossier · first seen 1880
Lillian
Stable Decline
Gradual decline from 1920
Peak era
1920
Peak births
10,049
Current vitality
Healthy
Peak generation
Greatest Generation
Quick answers about Lillian
How many people are named Lillian?
An estimated 186,985 living Americans are named Lillian.
How rare is Lillian?
Lillian is moderately uncommon among babies today, with 3,966 girls receiving the name in 2025, down 60.5% from its 1920 peak.
How old is the typical Lillian?
The median age of a living American named Lillian is approximately 17 years, with most bearers falling between 10 and 28 years old.
Is Lillian still popular?
Somewhat. Lillian has been declining since its 1920 peak and registered 3,966 births in 2025.
Where is Lillian most common?
Lillian has its strongest geographic signal in Vermont, where it appears 4.7× more often than the national baseline.
1880Peak 19202025
Peak year
1920
Decline from peak
60.5%
2025
3,966
All-time
475,028
Where it lives now
Lillian is most concentrated in Vermont — about 4.7× the national rate in the 2020s.
States where Lillian is given more often than the national average — its present-day heartland.