Reiley is a distinctive boys' name in United States, ranking #4095 in 2007 with 25 recorded births. The name reached its all-time peak in 2006 with 25 births ranking #3970. Since 1996, the popularity has increased by 257.1%. In 2007, approximately 1 in every 83,009 boys born was named Reiley. STABLE Recent data shows the name is currently stable.