Kjay is a distinctive boys' name in United States, ranking #13076 in 2025 with 5 recorded births. This places Kjay in the bottom 6% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 6 births ranking #11532. In 2025, approximately 1 in every 341,615 boys born was named Kjay. FALLING Recent data shows the name is currently falling.