How Many People Are Named Lillian Brown?
There are approximately 942 people named Lillian Brown living in the United States today. That makes this name combination uncommon, occurring at a rate of about 1 in 363,858 Americans.
This estimate combines SSA birth records for the first name Lillian 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
942
1 in 363,858 Americans
Combination Rarity
Uncommon
First Name
View full profileLillian
Last Name
View full profileBrown
Lillian: Popularity Over Time
Year-by-year SSA birth registrations for the first name Lillian. The peak year was 1920 with 10,075 births. The average person named Lillian today is 29 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 "Lillian" has an estimated frequency of 0.0564% 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 942 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Lillian
Other people with the surname Brown
Lillian Brown: Questions and Answers
How many people are named Lillian Brown?
We estimate approximately 942 people named Lillian Brown are alive in the United States today. The first name Lillian is shared by 193,349 Americans, and the surname Brown is shared by 1,636,337.
How rare is the name Lillian Brown?
This name combination is classified as Uncommon, occurring at a rate of about 1 in 363,858 Americans. The first name Lillian is common and the surname Brown is very common.
Is Lillian a male or female name?
Lillian is predominantly female, with 0.3% of bearers being male and 99.7% female. It peaked in popularity in 1920 and the average bearer today is 29 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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