Reily is a distinctive girls' name in United States, ranking #5762 in 2001 with 20 recorded births. The name reached its all-time peak in 2006 with 31 births ranking #4661. Since 1996, the popularity has increased by 42.9%. In 2001, approximately 1 in every 90,028 girls born was named Reily. FALLING Recent data shows the name is currently falling.