Masculine dossier · first seen 1889
Denny
Endangered
Down 94.5% from peak
Peak era
1947
Peak births
439
Current vitality
Rare
Peak generation
Boomer
Quick answers about Denny
How many people are named Denny?
An estimated 9,816 living Americans are named Denny.
How rare is Denny?
Denny is very rare among babies today, with 24 boys receiving the name in 2025, down 94.5% from its 1947 peak.
How old is the typical Denny?
The median age of a living American named Denny is approximately 56 years, with most bearers falling between 39 and 68 years old.
Is Denny still popular?
No. Denny is endangered as a baby name, down 94.5% from its 1947 peak with 24 births in 2025.
Where is Denny most common?
Denny has its strongest geographic signal in Washington, where it appears 5.0× more often than the national baseline.
1889Peak 19472025
Peak year
1947
Decline from peak
94.5%
2025
24
All-time
15,417
Where it lives now
Denny is most concentrated in Kentucky — about 3.6× the national rate in the 1950s.
States where Denny is given more often than the national average — its present-day heartland.