How Many People Are Named Denby?
An estimated 3 people in the United States have the first name Denby. It is almost exclusively a male name. The average bearer is 78 years old, and Denby peaked in popularity in 1921 with 8 births that year.
Below you will find a full statistical profile of Denby 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 Denby paired with any surname.
Key Insights
- With an average bearer age of 78, Denby is a vintage name most associated with earlier generations. Most living bearers were born before 1958.
- Denby is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
3
About 1 in 114,251,446 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
78
years old
Peak Year
1921
8 births
Total Registered
20
since 1880
Gender Distribution for Denby
Denby is almost exclusively a male name. Out of 20 total births registered, 100.0% were male.
Denby as a male name
Ranked #3,666 in 1943
5 male births in 1943
Peak: 1921 (8 births)
Denby: Popularity Over Time
SSA records for Denby span from the 1920s to the 1940s, covering 2 decades of naming data. The most popular decade for this name was the 1920s, when 15 babies were registered. While Denby is less common than at its peak in the 1920s, it remains a well-established name with steady registrations.
Denby by Decade
How has Denby 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.
Denby + Last Name Combinations
How many people share a full name with Denby as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Denby
Other first names starting with D with a similar number of bearers.
Denby: Questions and Answers
How many people in the U.S. are named Denby?
We estimate approximately 3 people named Denby 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 114,251,446 Americans share this first name.
Is Denby a common name?
Denby is classified as "Very Rare" and is more popular than 4.9% of all first names in the SSA database. A total of 20 births have been registered with this name since 1880.
When was Denby most popular?
Denby reached peak popularity in 1921, when 8 babies were given this name. The average age of a living person named Denby is approximately 78 years old, reflecting when the name was most commonly given.
Is Denby a male name?
Denby is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Denby Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Denby Smith, Denby Johnson, Denby 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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