Kacey is a distinctive girls' name in United States, ranking #647 in 1998 with 357 recorded births. The name reached its all-time peak in 1998 with 357 births ranking #647. Since 1996, the popularity has increased by 19.8%. In 1998, approximately 1 in every 4,949 girls born was named Kacey. RISING Recent data shows the name is currently rising.