How Many People Are Named Julia Louis?
There are approximately 24 people named Julia Louis living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 14,281,431 Americans.
This estimate combines SSA birth records for the first name Julia with Census Bureau frequency data for the surname Louis. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
24
1 in 14,281,431 Americans
Combination Rarity
Rare
First Name
View full profileJulia
Last Name
View full profileLouis
Julia: Popularity Over Time
Year-by-year SSA birth registrations for the first name Julia. The peak year was 2001 with 8,849 births. The average person named Julia today is 37 years old.
Ancestry of the Louis Surname
Self-reported race and ethnicity breakdown for people with the surname Louis, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Julia" has an estimated frequency of 0.0869% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Louis" appears at a rate of 8.05 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 24 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Julia
Julia Louis: Questions and Answers
How many people are named Julia Louis?
We estimate approximately 24 people named Julia Louis are alive in the United States today. The first name Julia is shared by 298,017 Americans, and the surname Louis is shared by 27,039.
How rare is the name Julia Louis?
This name combination is classified as Rare, occurring at a rate of about 1 in 14,281,431 Americans. The first name Julia is common and the surname Louis is uncommon.
Is Julia a male or female name?
Julia is predominantly female, with 0.4% of bearers being male and 99.6% female. It peaked in popularity in 2001 and the average bearer today is 37 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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