How Many People Are Named Guillermo Jones?
There are approximately 137 people named Guillermo Jones living in the United States today. That makes this name combination uncommon, occurring at a rate of about 1 in 2,501,856 Americans.
This estimate combines SSA birth records for the first name Guillermo 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
137
1 in 2,501,856 Americans
Combination Rarity
Uncommon
First Name
View full profileGuillermo
Last Name
View full profileJones
Guillermo: Popularity Over Time
Year-by-year SSA birth registrations for the first name Guillermo. The peak year was 1998 with 693 births. The average person named Guillermo today is 34 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 "Guillermo" 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 137 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Guillermo
Other people with the surname Jones
Guillermo Jones: Questions and Answers
How many people are named Guillermo Jones?
We estimate approximately 137 people named Guillermo Jones are alive in the United States today. The first name Guillermo is shared by 28,333 Americans, and the surname Jones is shared by 1,623,170.
How rare is the name Guillermo Jones?
This name combination is classified as Uncommon, occurring at a rate of about 1 in 2,501,856 Americans. The first name Guillermo is uncommon and the surname Jones is very common.
Is Guillermo a male or female name?
Guillermo is predominantly male, with 99.8% of bearers being male and 0.2% female. It peaked in popularity in 1998 and the average bearer today is 34 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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