How Many People Are Named Dewaine?
An estimated 329 people in the United States have the first name Dewaine. It is almost exclusively a male name. The average bearer is 65 years old, and Dewaine peaked in popularity in 1959 with 16 births that year.
Below you will find a full statistical profile of Dewaine 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 Dewaine paired with any surname.
Key Insights
- With an average bearer age of 65, Dewaine is a vintage name most associated with earlier generations. Most living bearers were born before 1971.
Estimated Living Americans
329
About 1 in 1,041,806 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
65
years old
Peak Year
1959
16 births
Total Registered
576
since 1880
Gender Distribution for Dewaine
Dewaine is almost exclusively a male name. Out of 576 total births registered, 100.0% were male.
Dewaine as a male name
Ranked #10,030 in 1998
5 male births in 1998
Peak: 1959 (16 births)
Dewaine: Popularity Over Time
SSA records for Dewaine span from the 1920s to the 1990s, covering 8 decades of naming data. The most popular decade for this name was the 1950s, when 116 babies were registered. Dewaine has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Dewaine by Decade
How has Dewaine 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.
Dewaine by State
Dewaine + Last Name Combinations
How many people share a full name with Dewaine as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Dewaine
Other first names starting with D with a similar number of bearers.
Dewaine: Questions and Answers
How many people in the U.S. are named Dewaine?
We estimate approximately 329 people named Dewaine 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 1,041,806 Americans share this first name.
Is Dewaine a common name?
Dewaine is classified as "Very Rare" and is more popular than 80.2% of all first names in the SSA database. A total of 576 births have been registered with this name since 1880.
When was Dewaine most popular?
Dewaine reached peak popularity in 1959, when 16 babies were given this name. The average age of a living person named Dewaine is approximately 65 years old, reflecting when the name was most commonly given.
Is Dewaine a male name?
Dewaine is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Dewaine Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Dewaine Smith, Dewaine Johnson, Dewaine 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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