Kacey is a moderately popular girls' name in England & Wales, ranking #169 in 2008 with 317 recorded births. The name reached its all-time peak in 2006 with 417 births ranking #130. Since 1996, the popularity has increased by 1,278.3%. In 2008, approximately 1 in every 996 girls born was named Kacey. FALLING Recent data shows the name is currently falling.