How Many People Are Named Adelfina?
An estimated 3 people in the United States have the first name Adelfina. It is almost exclusively a female name. The average bearer is 78 years old, and Adelfina peaked in popularity in 1945 with 6 births that year.
Below you will find a full statistical profile of Adelfina 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 Adelfina paired with any surname.
Key Insights
- With an average bearer age of 78, Adelfina is a vintage name most associated with earlier generations. Most living bearers were born before 1958.
- Adelfina is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
3
About 1 in 114,251,446 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
78
years old
Peak Year
1945
6 births
Total Registered
6
since 1880
Gender Distribution for Adelfina
Adelfina is almost exclusively a female name. Out of 6 total births registered, 100.0% were female.
Adelfina as a female name
Ranked #4,026 in 1945
6 female births in 1945
Peak: 1945 (6 births)
Adelfina: Popularity Over Time
Adelfina by Decade
How has Adelfina 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1940s | 6 | 0 | 6 | |
Adelfina by State
Adelfina + Last Name Combinations
How many people share a full name with Adelfina as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Adelfina
Other first names starting with A with a similar number of bearers.
Adelfina: Questions and Answers
How many people in the U.S. are named Adelfina?
We estimate approximately 3 people named Adelfina 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 114,251,446 Americans share this first name.
Is Adelfina a common name?
Adelfina is classified as "Very Rare" and is more popular than 4.9% of all first names in the SSA database. A total of 6 births have been registered with this name since 1880.
When was Adelfina most popular?
Adelfina reached peak popularity in 1945, when 6 babies were given this name. The average age of a living person named Adelfina is approximately 78 years old, reflecting when the name was most commonly given.
Is Adelfina a female name?
Adelfina is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Adelfina Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Adelfina Smith, Adelfina Johnson, Adelfina 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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