Kailey is a distinctive girls' name in England & Wales, ranking #2023 in 2001 with 8 recorded births. The name reached its all-time peak in 2003 with 12 births ranking #1628. Since 1996, the popularity has increased by 60.0%. In 2001, approximately 1 in every 33,498 girls born was named Kailey. RISING Recent data shows the name is currently rising.