Reiley is a distinctive boys' name in United States, ranking #8005 in 2012 with 10 recorded births. The name reached its all-time peak in 2006 with 25 births ranking #3970. Since 1996, the popularity has increased by 42.9%. In 2012, approximately 1 in every 189,663 boys born was named Reiley. STABLE Recent data shows the name is currently stable.