Kacy is a distinctive boys' name in United States, ranking #8493 in 2021 with 9 recorded births. This places Kacy in the bottom 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 25 births ranking #2977. Since 1996, the popularity has decreased by 64.0%. In 2021, approximately 1 in every 194,249 boys born was named Kacy. FALLING Recent data shows the name is currently falling.