Kiley is a distinctive girls' name in United States, ranking #1270 in 2017 with 186 recorded births. The name reached its all-time peak in 2008 with 1,089 births ranking #307. Since 1996, the popularity has decreased by 53.6%. In 2017, approximately 1 in every 9,279 girls born was named Kiley. STABLE Recent data shows the name is currently stable.