Reily is a distinctive girls' name in United States, ranking #4216 in 1998 with 27 recorded births. The name reached its all-time peak in 2006 with 31 births ranking #4661. Since 1996, the popularity has increased by 92.9%. In 1998, approximately 1 in every 65,440 girls born was named Reily. FALLING Recent data shows the name is currently falling.