Kj
Boy nameKj has been given to 229 babies in the U.S. since 1993. It peaked in 2021.
Popularity over time births per year, 1880–2025
Total babies
229
Peak year
2021 (21 babies)
Rank in 2025
Below top 1000
First recorded
1993
10-year trend
▲ +50%
Gender split
All boys
Spellings & variants
Names one letter away from Kj — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Kj.
FAQ
How popular is the name Kj?
Kj has been given to 229 babies in the U.S. since 1993. It ranked below the top 1000 in 2025.
When did the name Kj peak?
Kj peaked in 2021, when 21 babies were given the name.
Is Kj a girl or boy name?
Kj is primarily a boy name (100% of babies named Kj are boys).
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