How Many People Are Named Thomas Brown?
There are approximately 7,543 people named Thomas Brown living in the United States today. That makes this name combination common, occurring at a rate of about 1 in 45,440 Americans.
This estimate combines SSA birth records for the first name Thomas with Census Bureau frequency data for the surname Brown. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
7,543
1 in 45,440 Americans
Combination Rarity
Common
First Name
View full profileThomas
Last Name
View full profileBrown
Thomas: Popularity Over Time
Year-by-year SSA birth registrations for the first name Thomas. The peak year was 1952 with 48,728 births. The average person named Thomas today is 55 years old.
Ancestry of the Brown Surname
Self-reported race and ethnicity breakdown for people with the surname Brown, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Thomas" has an estimated frequency of 0.452% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Brown" appears at a rate of 487.16 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 7,543 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Thomas
Other people with the surname Brown
Thomas Brown: Questions and Answers
How many people are named Thomas Brown?
We estimate approximately 7,543 people named Thomas Brown are alive in the United States today. The first name Thomas is shared by 1,548,322 Americans, and the surname Brown is shared by 1,636,337.
How rare is the name Thomas Brown?
This name combination is classified as Common, occurring at a rate of about 1 in 45,440 Americans. The first name Thomas is very common and the surname Brown is very common.
Is Thomas a male or female name?
Thomas is predominantly male, with 99.6% of bearers being male and 0.4% female. It peaked in popularity in 1952 and the average bearer today is 55 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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