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How Many People Are Named Louis?
Estimated people named Louis living in the U.S. today
177,353
Gender distribution
99% male · 1% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 407,900
- Peak year: 1921 (7,296 births)
- Estimated living today: 177,353
Louis by age group — who carries the name today?
Louis popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Louis
Louis has been recorded by the Social Security Administration since the 19th century dataset began. In total, 407,900 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 177,353 bearers are still living — roughly 1 in 1,927 Americans. The name's strongest decade shapes how old most Louiss you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Louis in the US?
An estimated 177,353 people named Louis are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Louis uncommon — about 1 in 1,927 Americans.
Is Louis a boy or girl name?
In SSA records, Louis is 99% male and 1% female, so it is predominantly a male name.
When was Louis most popular?
Louis peaked in 1921, when 7,296 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Louis?
Louis ranks #311 of 104,819 first names recorded by the SSA, with a rarity score of 38 out of 100 (higher means rarer).