How Many People Are Named Unknown Jones?
There are approximately 71 people named Unknown Jones living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 4,827,526 Americans.
This estimate combines SSA birth records for the first name Unknown with Census Bureau frequency data for the surname Jones. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
71
1 in 4,827,526 Americans
Combination Rarity
Rare
First Name
View full profileUnknown
Last Name
View full profileJones
Unknown: Popularity Over Time
Year-by-year SSA birth registrations for the first name Unknown. The peak year was 1954 with 1,193 births. The average person named Unknown today is 53 years old.
Ancestry of the Jones Surname
Self-reported race and ethnicity breakdown for people with the surname Jones, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Unknown" 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 "Jones" appears at a rate of 483.24 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 71 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Unknown
Other people with the surname Jones
Unknown Jones: Questions and Answers
How many people are named Unknown Jones?
We estimate approximately 71 people named Unknown Jones are alive in the United States today. The first name Unknown is shared by 14,649 Americans, and the surname Jones is shared by 1,623,170.
How rare is the name Unknown Jones?
This name combination is classified as Rare, occurring at a rate of about 1 in 4,827,526 Americans. The first name Unknown is uncommon and the surname Jones is very common.
Is Unknown a male or female name?
Unknown is predominantly male, with 50.1% of bearers being male and 49.9% female. It peaked in popularity in 1954 and the average bearer today is 53 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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