Ky is a distinctive boys' name in United States, ranking #2895 in 2003 with 34 recorded births. This places Ky in the top 23% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 40 births ranking #2982. Since 1996, the popularity has increased by 21.4%. In 2003, approximately 1 in every 58,096 boys born was named Ky. FALLING Recent data shows the name is currently falling.