Ky is a distinctive boys' name in United States, ranking #4241 in 2015 with 24 recorded births. This places Ky in the top 30% 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 decreased by 14.3%. In 2015, approximately 1 in every 79,844 boys born was named Ky. FALLING Recent data shows the name is currently falling.