Masculine dossier · first seen 1880
Denis
Stable
Cross-generational persistence
Peak era
1952
Peak births
618
Current vitality
Rare
Peak generation
Boomer
Quick answers about Denis
How many people are named Denis?
An estimated 12,874 living Americans are named Denis.
How rare is Denis?
Denis is uncommon among babies today, with 95 boys receiving the name in 2025, down 84.6% from its 1952 peak.
How old is the typical Denis?
The median age of a living American named Denis is approximately 57 years, with most bearers falling between 28 and 71 years old.
Is Denis still popular?
Yes. Denis is holding steady, with 95 births in 2025 and a consistent recent baseline.
Where is Denis most common?
Denis has its strongest geographic signal in New Hampshire, where it appears 13.1× more often than the national baseline.
1880Peak 19522025
Peak year
1952
Decline from peak
84.6%
2025
95
All-time
20,733
Where it lives now
Denis is most concentrated in New Hampshire — about 9.4× the national rate in the 1960s.
States where Denis is given more often than the national average — its present-day heartland.