Masculine dossier · first seen 1880
Cullen
Stable Decline
Gradual decline from 2010
Peak era
2010
Peak births
679
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Cullen
How many people are named Cullen?
An estimated 15,138 living Americans are named Cullen.
How rare is Cullen?
Cullen is uncommon among babies today, with 194 boys receiving the name in 2025, down 71.4% from its 2010 peak.
How old is the typical Cullen?
The median age of a living American named Cullen is approximately 19 years, with most bearers falling between 11 and 31 years old.
Is Cullen still popular?
Not especially. Cullen has been declining since its 2010 peak and registered 194 births in 2025.
Where is Cullen most common?
Cullen has its strongest geographic signal in North Dakota, where it appears 6.1× more often than the national baseline.
1880Peak 20102025
Peak year
2010
Decline from peak
71.4%
2025
194
All-time
16,591
Where it lives now
Cullen is most concentrated in Louisiana — about 5.5× the national rate in the 2020s.
States where Cullen is given more often than the national average — its present-day heartland.