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Every US first name since 1880, charted like a stock. Type yours, then your mom’s, then the whole group chat.
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MARKET MOVERS · 10 YEARS
Louis name popularity
Louis has been given to 409,317 babies in the United States since 1880.
It peaked in 1921, when 7,296 babies got the name, and its best rank was #40 in 1880.
In 2025, 1,397 babies were named Louis (#482 in the country), 81% below the peak. That is up 15% from 2015.
Almost every Louis is a boy.
An estimated 189K people named Louis are alive in the US today, with a median age of 62.
It was a top-100 name in 58 of the 146 years on record.
HOW IT WORKS
The chart is the number of US babies given the name each year, from the Social Security Administration’s public baby-name files (names given to 5+ babies in a year). The “all-time high” is the name’s biggest year. “Holders” and “median holder age” are rough estimates that apply average US survival rates to each birth year, so they ignore immigration and name changes.
Lookups run in your browser. We don’t keep a list of the names people look up.