Kailey is a distinctive girls' name in England & Wales, ranking #2301 in 2002 with 7 recorded births. The name reached its all-time peak in 2003 with 12 births ranking #1628. Since 1996, the popularity has increased by 40.0%. In 2002, approximately 1 in every 38,195 girls born was named Kailey. RISING Recent data shows the name is currently rising.