How Many People Are Named Denny?
An estimated 11,415 people in the United States have the first name Denny. It is predominantly male (97.5%). The average bearer is 56 years old, and Denny peaked in popularity in 1947 with 446 births that year.
Below you will find a full statistical profile of Denny as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Denny paired with any surname.
Key Insights
- While Denny is overwhelmingly male, 402 female births have been registered with this name since 1880.
Estimated Living Americans
11,415
About 1 in 30,027 people in the U.S.
Rarity
Uncommon
Predicted Gender
Male
97.5% confidence
Average Age
56
years old
Peak Year
1947
446 births
Total Registered
15,793
since 1880
Gender Distribution for Denny
Denny is predominantly male (97.5%), though 402 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Denny as a male name
Ranked #4,444 in 2024
23 male births in 2024
Peak: 1947 (440 births)
Denny as a female name
Ranked #12,471 in 2020
7 female births in 2020
Peak: 1976 (17 births)
Denny: Popularity Over Time
SSA records for Denny span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1940s, when 3,070 babies were registered. Denny has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Denny by Decade
How has Denny tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Denny by State
Birth registrations for Denny span all 39 states and territories in the SSA database. The highest counts are in California, Ohio, Texas. The lowest are in New Mexico, Montana, Mississippi. On average, about 273 Dennys were registered per state.
Denny + Last Name Combinations
How many people share a full name with Denny as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Denny
Other first names starting with D with a similar number of bearers.
Denny: Questions and Answers
How many people in the U.S. are named Denny?
We estimate approximately 11,415 people named Denny are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 30,027 Americans share this first name.
Is Denny a common name?
Denny is classified as "Uncommon" and is more popular than 97.9% of all first names in the SSA database. A total of 15,793 births have been registered with this name since 1880.
When was Denny most popular?
Denny reached peak popularity in 1947, when 446 babies were given this name. The average age of a living person named Denny is approximately 56 years old, reflecting when the name was most commonly given.
Is Denny a male name?
Denny is predominantly male. 97.5% of people with this name are male. See the gender breakdown above for full details.
How many Denny Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Denny Smith, Denny Johnson, Denny Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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