How Many People Are Named Dennys?
An estimated 549 people in the United States have the first name Dennys. It is used for both genders, with 85.2% male. The average bearer is 24 years old, and Dennys peaked in popularity in 1998 with 26 births that year.
Below you will find a full statistical profile of Dennys 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 Dennys paired with any surname.
Estimated Living Americans
549
About 1 in 624,325 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
85.2% confidence
Average Age
24
years old
Peak Year
1998
26 births
Total Registered
560
since 1880
Gender Distribution for Dennys
Dennys is predominantly male (85.2%), though 83 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Dennys as a male name
Ranked #11,223 in 2024
6 male births in 2024
Peak: 1998 (20 births)
Dennys as a female name
Ranked #15,748 in 2009
6 female births in 2009
Peak: 1992 (10 births)
Dennys: Popularity Over Time
SSA records for Dennys span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 196 babies were registered. Dennys has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Dennys by Decade
How has Dennys 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.
Dennys by State
Dennys + Last Name Combinations
How many people share a full name with Dennys as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Dennys
Other first names starting with D with a similar number of bearers.
Dennys: Questions and Answers
How many people in the U.S. are named Dennys?
We estimate approximately 549 people named Dennys 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 624,325 Americans share this first name.
Is Dennys a common name?
Dennys is classified as "Very Rare" and is more popular than 85.4% of all first names in the SSA database. A total of 560 births have been registered with this name since 1880.
When was Dennys most popular?
Dennys reached peak popularity in 1998, when 26 babies were given this name. The average age of a living person named Dennys is approximately 24 years old, reflecting when the name was most commonly given.
Is Dennys a male name?
Dennys is predominantly male. 85.2% of people with this name are male. See the gender breakdown above for full details.
How many Dennys Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Dennys Smith, Dennys Johnson, Dennys 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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