Kacey is a distinctive girls' name in England & Wales, ranking #696 in 2015 with 58 recorded births. The name reached its all-time peak in 2006 with 417 births ranking #130. Since 1996, the popularity has increased by 152.2%. In 2015, approximately 1 in every 5,309 girls born was named Kacey. FALLING Recent data shows the name is currently falling.