Kiley is a distinctive boys' name in United States, ranking #8978 in 2002 with 7 recorded births. This places Kiley in the bottom 28% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 19 births ranking #3919. Since 1996, the popularity has decreased by 61.1%. In 2002, approximately 1 in every 277,353 boys born was named Kiley. FALLING Recent data shows the name is currently falling.