How Many People Are Named Delmo?
An estimated 8 people in the United States have the first name Delmo. It is almost exclusively a male name. The average bearer is 97 years old, and Delmo peaked in popularity in 1916 with 10 births that year.
Below you will find a full statistical profile of Delmo 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 Delmo paired with any surname.
Key Insights
- With an average bearer age of 97, Delmo is a vintage name most associated with earlier generations. Most living bearers were born before 1939.
- Delmo is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
8
About 1 in 42,844,292 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
97
years old
Peak Year
1916
10 births
Total Registered
105
since 1880
Gender Distribution for Delmo
Delmo is almost exclusively a male name. Out of 105 total births registered, 100.0% were male.
Delmo as a male name
Ranked #3,608 in 1939
5 male births in 1939
Peak: 1916 (10 births)
Delmo: Popularity Over Time
SSA records for Delmo span from the 1910s to the 1930s, covering 3 decades of naming data. The most popular decade for this name was the 1920s, when 47 babies were registered. While Delmo is less common than at its peak in the 1920s, it remains a well-established name with steady registrations.
Delmo by Decade
How has Delmo 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.
Delmo + Last Name Combinations
How many people share a full name with Delmo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Delmo
Other first names starting with D with a similar number of bearers.
Delmo: Questions and Answers
How many people in the U.S. are named Delmo?
We estimate approximately 8 people named Delmo 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 42,844,292 Americans share this first name.
Is Delmo a common name?
Delmo is classified as "Very Rare" and is more popular than 24.6% of all first names in the SSA database. A total of 105 births have been registered with this name since 1880.
When was Delmo most popular?
Delmo reached peak popularity in 1916, when 10 babies were given this name. The average age of a living person named Delmo is approximately 97 years old, reflecting when the name was most commonly given.
Is Delmo a male name?
Delmo is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Delmo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Delmo Smith, Delmo Johnson, Delmo 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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