How Many People Are Named Delfin?
An estimated 216 people in the United States have the first name Delfin. It is almost exclusively a male name. The average bearer is 54 years old, and Delfin peaked in popularity in 1969 with 11 births that year.
Below you will find a full statistical profile of Delfin 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 Delfin paired with any surname.
Estimated Living Americans
216
About 1 in 1,586,826 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
54
years old
Peak Year
1969
11 births
Total Registered
280
since 1880
Gender Distribution for Delfin
Delfin is almost exclusively a male name. Out of 280 total births registered, 100.0% were male.
Delfin as a male name
Ranked #11,143 in 2023
6 male births in 2023
Peak: 1969 (11 births)
Delfin: Popularity Over Time
SSA records for Delfin span from the 1910s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 1960s, when 64 babies were registered. Delfin has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Delfin by Decade
How has Delfin 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.
Delfin by State
Delfin + Last Name Combinations
How many people share a full name with Delfin as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Delfin
Other first names starting with D with a similar number of bearers.
Delfin: Questions and Answers
How many people in the U.S. are named Delfin?
We estimate approximately 216 people named Delfin 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 1,586,826 Americans share this first name.
Is Delfin a common name?
Delfin is classified as "Very Rare" and is more popular than 75.2% of all first names in the SSA database. A total of 280 births have been registered with this name since 1880.
When was Delfin most popular?
Delfin reached peak popularity in 1969, when 11 babies were given this name. The average age of a living person named Delfin is approximately 54 years old, reflecting when the name was most commonly given.
Is Delfin a male name?
Delfin is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Delfin Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Delfin Smith, Delfin Johnson, Delfin 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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