Allison
Quick answers about Allison
How many people are named Allison?
An estimated 309,443 living Americans are named Allison.
How rare is Allison?
Allison is moderately uncommon among babies today, with 2,564 girls receiving the name in 2025, down 68.5% from its 1994 peak. It was the #103 girls’ name in 2025.
How old is the typical Allison?
The median age of a living American named Allison is approximately 31 years, with most bearers falling between 18 and 41 years old.
Is Allison still popular?
Somewhat. Allison has been declining since its 1994 peak and registered 2,564 births in 2025.
Where is Allison most common?
Allison has its strongest geographic signal in New Mexico, where it appeared 2.4× more often than the national baseline in the 2020s.
Allison is most concentrated in New Mexico — about 2.4× the national rate in the 2020s.
States where Allison is given more often than the national average — its present-day heartland.