Kacey is a distinctive girls' name in England & Wales, ranking #736 in 1999 with 31 recorded births. The name reached its all-time peak in 2006 with 417 births ranking #130. Since 1996, the popularity has increased by 34.8%. In 1999, approximately 1 in every 9,087 girls born was named Kacey. FALLING Recent data shows the name is currently falling.