Kei
UnisexKei has been given to 837 babies in the U.S. since 1920. It peaked in 2015.
Popularity over time births per year, 1880–2025
Total babies
837
Peak year
2015 (40 babies)
Rank in 2025
Below top 1000
First recorded
1920
10-year trend
▼ -65%
Gender split
22% girls / 78% boys
Spellings & variants
Names one letter away from Kei — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Kei.
FAQ
How popular is the name Kei?
Kei has been given to 837 babies in the U.S. since 1920. It ranked below the top 1000 in 2025.
When did the name Kei peak?
Kei peaked in 2015, when 40 babies were given the name.
Is Kei a girl or boy name?
Kei is a unisex name, used for both girls and boys.
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