Kiley is a distinctive girls' name in United States, ranking #2798 in 2025 with 61 recorded births. The name reached its all-time peak in 2008 with 1,089 births ranking #307. Since 1996, the popularity has decreased by 84.8%. In 2025, approximately 1 in every 26,349 girls born was named Kiley. STABLE Recent data shows the name is currently stable.