Reily is a distinctive boys' name in United States, ranking #4257 in 2001 with 19 recorded births. The name reached its all-time peak in 2006 with 51 births ranking #2440. Since 1996, the popularity has increased by 137.5%. In 2001, approximately 1 in every 102,254 boys born was named Reily. FALLING Recent data shows the name is currently falling.