1969Peak 19992025
Quick answers about Cassidy
How many people are named Cassidy?
An estimated 60,078 living Americans are named Cassidy.
How rare is Cassidy?
Cassidy is moderately uncommon among babies today, with 558 girls receiving the name in 2025, down 83.6% from its 1999 peak.
How old is the typical Cassidy?
The median age of a living American named Cassidy is approximately 25 years, with most bearers falling between 16 and 29 years old.
Is Cassidy still popular?
Not especially. Cassidy has been declining since its 1999 peak and registered 558 births in 2025.
Diaspora map
Cassidy broke out in Oklahoma and Utah (1983) and became over-represented in 40 states over 34 years.
Broke out: Oklahoma and Utah, 1983 · over-represented in 40 states over 34 years
Origin
≤5 yrs
≤15 yrs
16+ yrs
No breakout
