Reiley is a distinctive boys' name in United States, ranking #5434 in 2008 with 17 recorded births. The name reached its all-time peak in 2006 with 25 births ranking #3970. Since 1996, the popularity has increased by 142.9%. In 2008, approximately 1 in every 119,997 boys born was named Reiley. STABLE Recent data shows the name is currently stable.