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

All-time

15,417

Denny has been in gradual retreat. The last decade averaged 2.1× lower than the decade before it — a slow, steady fade rather than a collapse.

Denny peaked in 1947, when 439 boys were given the name.

In 2025, only 24 boys were given the name.

Down 94.5% from its peak.

In all, the Social Security Administration has recorded about 15,417 Americans named Denny since 1889.

Rarity score99th percentile rare

Peak generationBoomer

StabilityHighly era-bound

TrajectoryDown 94.5% from peak

Living profile

10,756

Estimated living Americans with this name.

Median age58

Core range41–70

Playground Density Index 0.0%

Wave type

Steady Decline

A name with a broad middle and a downward recent trajectory.

Geographic heartland

Washington

5.0× higher affinity than the national baseline.

Washington · 1930s 5.0×

Iowa · 1940s 3.7×

Kentucky · 1950s 3.6×