Reily is a distinctive girls' name in United States, ranking #4998 in 1999 with 22 recorded births. The name reached its all-time peak in 2006 with 31 births ranking #4661. Since 1996, the popularity has increased by 57.1%. In 1999, approximately 1 in every 80,626 girls born was named Reily. FALLING Recent data shows the name is currently falling.