Kacey is a distinctive boys' name in United States, ranking #2671 in 2007 with 46 recorded births. The name reached its all-time peak in 2021 with 220 births ranking #997. Since 1996, the popularity has decreased by 28.1%. In 2007, approximately 1 in every 45,114 boys born was named Kacey. FALLING Recent data shows the name is currently falling.