Feminine dossier · first seen 1899
Adelyn
Stable Decline
Gradual decline from 2015
Peak era
2015
Peak births
1,680
Current vitality
Fragile
Peak generation
Gen Alpha
Quick answers about Adelyn
How many people are named Adelyn?
An estimated 23,003 living Americans are named Adelyn.
How rare is Adelyn?
Adelyn is moderately uncommon among babies today, with 851 girls receiving the name in 2025, down 49.3% from its 2015 peak.
How old is the typical Adelyn?
The median age of a living American named Adelyn is approximately 10 years, with most bearers falling between 6 and 14 years old.
Is Adelyn still popular?
Not especially. Adelyn has been declining since its 2015 peak and registered 851 births in 2025.
Where is Adelyn most common?
Adelyn has its strongest geographic signal in Utah, where it appears 3.6× more often than the national baseline.
1899Peak 20152025
Peak year
2015
Decline from peak
49.3%
2025
851
All-time
23,612