Kacey is a distinctive girls' name in United States, ranking #1381 in 2010 with 168 recorded births. The name reached its all-time peak in 1998 with 357 births ranking #647. Since 1996, the popularity has decreased by 43.6%. In 2010, approximately 1 in every 10,579 girls born was named Kacey. RISING Recent data shows the name is currently rising.