Kacey is a moderately popular girls' name in England & Wales, ranking #133 in 2005 with 399 recorded births. This places Kacey in the top 2% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2006 with 417 births ranking #130. Since 1996, the popularity has increased by 1,634.8%. In 2005, approximately 1 in every 722 girls born was named Kacey. FALLING Recent data shows the name is currently falling.