Rielly is a distinctive girls' name in United States, ranking #12041 in 2012 with 9 recorded births. The name reached its all-time peak in 1998 with 22 births ranking #4913. Since 1996, the popularity has decreased by 35.7%. In 2012, approximately 1 in every 195,638 girls born was named Rielly. RISING Recent data shows the name is currently rising.