Koy is a distinctive boys' name in United States, ranking #3482 in 2024 with 33 recorded births. This places Koy in the top 24% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 46 births ranking #1982. Since 1996, the popularity has increased by 57.1%. In 2024, approximately 1 in every 51,979 boys born was named Koy. FALLING Recent data shows the name is currently falling.