Kiley is a distinctive girls' name in United States, ranking #1508 in 2018 with 145 recorded births. This places Kiley in the top 8% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 1,089 births ranking #307. Since 1996, the popularity has decreased by 63.8%. In 2018, approximately 1 in every 11,727 girls born was named Kiley. STABLE Recent data shows the name is currently stable.