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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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NAMES LIKE LEO
Same rise and fall as Leo, around the same years.
WHERE LEO IS POPULAR · 2024
In 2024, Leo ranked highest in Delaware (#18) and lowest in Mississippi (#236).
Tap a state to see its rank and top names.
MARKET MOVERS · 10 YEARS
Leo name popularity
Leo has been given to 262,124 babies in the United States since 1880.
It peaked in 2022, when 8,325 babies got the name, and its best rank was #27 in 2023.
In 2025, 8,196 babies were named Leo (#29 in the country), 2% below the peak. That is up 78% from 2015.
Almost every Leo is a boy.
An estimated 155K people named Leo are alive in the US today, with a median age of 11.
It was a top-100 name in 9 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.