Kacey is a moderately popular girls' name in England & Wales, ranking #135 in 2002 with 342 recorded births. The name reached its all-time peak in 2006 with 417 births ranking #130. Since 1996, the popularity has increased by 1,387.0%. In 2002, approximately 1 in every 782 girls born was named Kacey. FALLING Recent data shows the name is currently falling.