Reily is a distinctive girls' name in United States, ranking #4661 in 2006 with 31 recorded births. The name reached its all-time peak in 2006 with 31 births ranking #4661. Since 1996, the popularity has increased by 121.4%. In 2006, approximately 1 in every 61,325 girls born was named Reily. FALLING Recent data shows the name is currently falling.