An estimated 9,770 living Americans are named Addilyn.
How rare is Addilyn?
Addilyn is uncommon among babies today, with 256 girls receiving the name in 2025, down 75.4% from its 2016 peak.
How old is the typical Addilyn?
The median age of a living American named Addilyn is approximately 9 years, with most bearers falling between 6 and 12 years old.
Is Addilyn still popular?
Not especially. Addilyn has been declining since its 2016 peak and registered 256 births in 2025.
Where is Addilyn most common?
Addilyn has its strongest geographic signal in Arkansas, where it appears 3.1× more often than the national baseline.
1999Peak 20162025
Peak year
2016
Decline from peak
75.4%
2025
256
All-time
9,857
Diaspora map
Addilyn spread fast — broke out in Alabama, Arkansas, Idaho, Indiana, Iowa, Kentucky, Louisiana, Maine, Missouri, Oklahoma, Oregon, Tennessee, Utah, and West Virginia (2015) and ran high in 27 states within a decade.
Broke out: Alabama, Arkansas, Idaho, Indiana, Iowa, Kentucky, Louisiana, Maine, Missouri, Oklahoma, Oregon, Tennessee, Utah, and West Virginia, 2015 · over-represented in 27 states over 4 years