Kailey is a distinctive girls' name in England & Wales, ranking #1628 in 2003 with 12 recorded births. The name reached its all-time peak in 2003 with 12 births ranking #1628. Since 1996, the popularity has increased by 140.0%. In 2003, approximately 1 in every 23,222 girls born was named Kailey. RISING Recent data shows the name is currently rising.