Kayley is a distinctive girls' name in United States, ranking #1984 in 2017 with 100 recorded births. The name reached its all-time peak in 1999 with 461 births ranking #548. Since 1996, the popularity has decreased by 60.9%. In 2017, approximately 1 in every 17,259 girls born was named Kayley. FALLING Recent data shows the name is currently falling.