How Many People Are Named Adelfina Johnson?
There are approximately 1 people named Adelfina Johnson living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Adelfina with Census Bureau frequency data for the surname Johnson. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileAdelfina
Last Name
View full profileJohnson
Adelfina: Popularity Over Time
Year-by-year SSA birth registrations for the first name Adelfina. The peak year was 1945 with 6 births. The average person named Adelfina today is 78 years old.
Ancestry of the Johnson Surname
Self-reported race and ethnicity breakdown for people with the surname Johnson, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Adelfina" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Johnson" appears at a rate of 655.24 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Adelfina
Other people with the surname Johnson
Adelfina Johnson: Questions and Answers
How many people are named Adelfina Johnson?
We estimate approximately 1 people named Adelfina Johnson are alive in the United States today. The first name Adelfina is shared by 3 Americans, and the surname Johnson is shared by 2,200,907.
How rare is the name Adelfina Johnson?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Adelfina is very rare and the surname Johnson is very common.
Is Adelfina a male or female name?
Adelfina is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 1945 and the average bearer today is 78 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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