Kailey is a distinctive girls' name in England & Wales, ranking #5591 in 2019 with 3 recorded births. The name reached its all-time peak in 2003 with 12 births ranking #1628. Since 1996, the popularity has decreased by 40.0%. In 2019, approximately 1 in every 93,346 girls born was named Kailey. RISING Recent data shows the name is currently rising.