Reiley is a distinctive boys' name in United States, ranking #5202 in 1997 with 12 recorded births. The name reached its all-time peak in 2006 with 25 births ranking #3970. Since 1996, the popularity has increased by 71.4%. In 1997, approximately 1 in every 157,091 boys born was named Reiley. STABLE Recent data shows the name is currently stable.