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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
Kai name popularity
Kai has been given to 78,710 babies in the United States since 1926.
It peaked in 2022, when 5,732 babies got the name, and its best rank was #90 in 2022.
In 2025, 4,002 babies were named Kai (#140 in the country), 30% below the peak. That is up 27% from 2015.
About 11% of babies named Kai were girls and 89% were boys.
An estimated 78K people named Kai are alive in the US today, with a median age of 9.
It was a top-100 name in 2 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.