How Many People Are Named Delfinia?
An estimated 2 people in the United States have the first name Delfinia. It is almost exclusively a female name. The average bearer is 114 years old, and Delfinia peaked in popularity in 1930 with 8 births that year.
Below you will find a full statistical profile of Delfinia 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 Delfinia paired with any surname.
Key Insights
- With an average bearer age of 114, Delfinia is a vintage name most associated with earlier generations. Most living bearers were born before 1922.
- Delfinia is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
2
About 1 in 171,377,169 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
114
years old
Peak Year
1930
8 births
Total Registered
46
since 1880
Gender Distribution for Delfinia
Delfinia is almost exclusively a female name. Out of 46 total births registered, 100.0% were female.
Delfinia as a female name
Ranked #4,398 in 1937
5 female births in 1937
Peak: 1930 (8 births)
Delfinia: Popularity Over Time
SSA records for Delfinia span from the 1900s to the 1930s, covering 4 decades of naming data. The most popular decade for this name was the 1930s, when 18 babies were registered. Delfinia remains highly popular today, with recent registration numbers near its historical peak.
Delfinia by Decade
How has Delfinia 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.
Delfinia by State
Delfinia + Last Name Combinations
How many people share a full name with Delfinia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Delfinia
Other first names starting with D with a similar number of bearers.
Delfinia: Questions and Answers
How many people in the U.S. are named Delfinia?
We estimate approximately 2 people named Delfinia 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 171,377,169 Americans share this first name.
Is Delfinia a common name?
Delfinia is classified as "Very Rare" and is more popular than 4.3% of all first names in the SSA database. A total of 46 births have been registered with this name since 1880.
When was Delfinia most popular?
Delfinia reached peak popularity in 1930, when 8 babies were given this name. The average age of a living person named Delfinia is approximately 114 years old, reflecting when the name was most commonly given.
Is Delfinia a female name?
Delfinia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Delfinia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Delfinia Smith, Delfinia Johnson, Delfinia 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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