Reily is a distinctive girls' name in United States, ranking #8941 in 2003 with 12 recorded births. The name reached its all-time peak in 2006 with 31 births ranking #4661. Since 1996, the popularity has decreased by 14.3%. In 2003, approximately 1 in every 152,254 girls born was named Reily. FALLING Recent data shows the name is currently falling.