Feminine dossier · first seen 1988
Lillyann
Stable Decline
Gradual decline from 2011
Peak era
2011
Peak births
182
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Lillyann
How many people are named Lillyann?
An estimated 2,460 living Americans are named Lillyann.
How rare is Lillyann?
Lillyann is very rare among babies today, with 44 girls receiving the name in 2025, down 75.8% from its 2011 peak.
How old is the typical Lillyann?
The median age of a living American named Lillyann is approximately 14 years, with most bearers falling between 9 and 18 years old.
Is Lillyann still popular?
Not especially. Lillyann has been declining since its 2011 peak and registered 44 births in 2025.
Where is Lillyann most common?
Lillyann has its strongest geographic signal in Michigan, where it appears 1.7× more often than the national baseline.
1988Peak 20112025
Peak year
2011
Decline from peak
75.8%
2025
44
All-time
2,487
Where it lives now
Lillyann is most concentrated in Michigan — about 1.7× the national rate in the 2010s.
States where Lillyann is given more often than the national average — its present-day heartland.