How Many People Are Named Isaac Newton?
There are approximately 75 people named Isaac Newton living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 4,570,058 Americans.
This estimate combines SSA birth records for the first name Isaac with Census Bureau frequency data for the surname Newton. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
75
1 in 4,570,058 Americans
Combination Rarity
Rare
First Name
View full profileIsaac
Last Name
View full profileNewton
Isaac: Popularity Over Time
Year-by-year SSA birth registrations for the first name Isaac. The peak year was 2007 with 10,287 births. The average person named Isaac today is 22 years old.
Ancestry of the Newton Surname
Self-reported race and ethnicity breakdown for people with the surname Newton, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Isaac" has an estimated frequency of 0.0865% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Newton" appears at a rate of 25.12 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 75 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Isaac
Other people with the surname Newton
Isaac Newton: Questions and Answers
How many people are named Isaac Newton?
We estimate approximately 75 people named Isaac Newton are alive in the United States today. The first name Isaac is shared by 296,602 Americans, and the surname Newton is shared by 84,376.
How rare is the name Isaac Newton?
This name combination is classified as Rare, occurring at a rate of about 1 in 4,570,058 Americans. The first name Isaac is common and the surname Newton is uncommon.
Is Isaac a male or female name?
Isaac is predominantly male, with 99.8% of bearers being male and 0.2% female. It peaked in popularity in 2007 and the average bearer today is 22 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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