Kailey is a distinctive girls' name in England & Wales, ranking #4764 in 2011 with 4 recorded births. The name reached its all-time peak in 2003 with 12 births ranking #1628. Since 1996, the popularity has decreased by 20.0%. In 2011, approximately 1 in every 80,328 girls born was named Kailey. RISING Recent data shows the name is currently rising.