Feminine dossier · first seen 1880
Lilly
Stable Decline
Gradual decline from 2010
Peak era
2010
Peak births
2,891
Current vitality
Healthy
Peak generation
Gen Z
Quick answers about Lilly
How many people are named Lilly?
An estimated 53,775 living Americans are named Lilly.
How rare is Lilly?
Lilly is moderately uncommon among babies today, with 1,218 girls receiving the name in 2025, down 57.9% from its 2010 peak.
How old is the typical Lilly?
The median age of a living American named Lilly is approximately 15 years, with most bearers falling between 10 and 20 years old.
Is Lilly still popular?
Somewhat. Lilly has been declining since its 2010 peak and registered 1,218 births in 2025.
Where is Lilly most common?
Lilly has its strongest geographic signal in New Mexico, where it appears 5.6× more often than the national baseline.
1880Peak 20102025
Peak year
2010
Decline from peak
57.9%
2025
1,218
All-time
66,728
Where it lives now
Lilly is most concentrated in New Mexico — about 5.6× the national rate in the 1930s.
States where Lilly is given more often than the national average — its present-day heartland.