Reily is a distinctive girls' name in United States, ranking #12049 in 2010 with 9 recorded births. The name reached its all-time peak in 2006 with 31 births ranking #4661. Since 1996, the popularity has decreased by 35.7%. In 2010, approximately 1 in every 197,481 girls born was named Reily. FALLING Recent data shows the name is currently falling.