How Many People Are Named Delois?
An estimated 4,176 people in the United States have the first name Delois. It is predominantly female (98.6%). The average bearer is 72 years old, and Delois peaked in popularity in 1948 with 321 births that year.
Below you will find a full statistical profile of Delois 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 Delois paired with any surname.
Key Insights
- While Delois is overwhelmingly female, 122 male births have been registered with this name since 1880.
- With an average bearer age of 72, Delois is a vintage name most associated with earlier generations. Most living bearers were born before 1964.
Estimated Living Americans
4,176
About 1 in 82,077 people in the U.S.
Rarity
Rare
Predicted Gender
Female
98.6% confidence
Average Age
72
years old
Peak Year
1948
321 births
Total Registered
8,622
since 1880
Gender Distribution for Delois
Delois is predominantly female (98.6%), though 122 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Delois as a male name
Ranked #3,074 in 1945
6 male births in 1945
Peak: 1921 (9 births)
Delois as a female name
Ranked #11,691 in 1999
7 female births in 1999
Peak: 1948 (321 births)
Delois: Popularity Over Time
SSA records for Delois span from the 1910s to the 1990s, covering 9 decades of naming data. The most popular decade for this name was the 1940s, when 2,513 babies were registered. Delois has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Delois by Decade
How has Delois 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.
Delois by State
Birth registrations for Delois span all 21 states and territories in the SSA database. The highest counts are in North Carolina, Alabama, Mississippi. The lowest are in West Virginia, New York, Ohio. On average, about 324 Deloiss were registered per state.
Delois + Last Name Combinations
How many people share a full name with Delois as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Delois
Other first names starting with D with a similar number of bearers.
Delois: Questions and Answers
How many people in the U.S. are named Delois?
We estimate approximately 4,176 people named Delois 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 82,077 Americans share this first name.
Is Delois a common name?
Delois is classified as "Rare" and is more popular than 96.1% of all first names in the SSA database. A total of 8,622 births have been registered with this name since 1880.
When was Delois most popular?
Delois reached peak popularity in 1948, when 321 babies were given this name. The average age of a living person named Delois is approximately 72 years old, reflecting when the name was most commonly given.
Is Delois a female name?
Delois is predominantly female. 98.6% of people with this name are female. See the gender breakdown above for full details.
How many Delois Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Delois Smith, Delois Johnson, Delois 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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