Reiley is a distinctive boys' name in United States, ranking #7390 in 2011 with 11 recorded births. The name reached its all-time peak in 2006 with 25 births ranking #3970. Since 1996, the popularity has increased by 57.1%. In 2011, approximately 1 in every 172,635 boys born was named Reiley. STABLE Recent data shows the name is currently stable.