Reiley is a distinctive girls' name in United States, ranking #7680 in 2018 with 15 recorded births. The name reached its all-time peak in 1998 with 37 births ranking #3341. Since 1996, the popularity has decreased by 28.6%. In 2018, approximately 1 in every 113,362 girls born was named Reiley. FALLING Recent data shows the name is currently falling.