How Many People Are Named Delos?
An estimated 310 people in the United States have the first name Delos. It is almost exclusively a male name. The average bearer is 73 years old, and Delos peaked in popularity in 1923 with 49 births that year.
Below you will find a full statistical profile of Delos 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 Delos paired with any surname.
Key Insights
- With an average bearer age of 73, Delos is a vintage name most associated with earlier generations. Most living bearers were born before 1963.
Estimated Living Americans
310
About 1 in 1,105,659 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
73
years old
Peak Year
1923
49 births
Total Registered
1,323
since 1880
Gender Distribution for Delos
Delos is almost exclusively a male name. Out of 1,323 total births registered, 100.0% were male.
Delos as a male name
Ranked #12,486 in 2020
5 male births in 2020
Peak: 1923 (49 births)
Delos: Popularity Over Time
SSA records for Delos span from the 1880s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1920s, when 365 babies were registered. Delos has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Delos by Decade
How has Delos 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.
Delos by State
Birth registrations for Delos span all 8 states and territories in the SSA database. The highest counts are in Michigan, New York, Wisconsin. The lowest are in Minnesota, Indiana, Illinois. On average, about 18 Deloss were registered per state.
Delos + Last Name Combinations
How many people share a full name with Delos as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Delos
Other first names starting with D with a similar number of bearers.
Delos: Questions and Answers
How many people in the U.S. are named Delos?
We estimate approximately 310 people named Delos 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 1,105,659 Americans share this first name.
Is Delos a common name?
Delos is classified as "Very Rare" and is more popular than 79.6% of all first names in the SSA database. A total of 1,323 births have been registered with this name since 1880.
When was Delos most popular?
Delos reached peak popularity in 1923, when 49 babies were given this name. The average age of a living person named Delos is approximately 73 years old, reflecting when the name was most commonly given.
Is Delos a male name?
Delos is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Delos Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Delos Smith, Delos Johnson, Delos 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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