Rielly is a distinctive girls' name in United States, ranking #13660 in 2007 with 8 recorded births. The name reached its all-time peak in 1998 with 22 births ranking #4913. Since 1996, the popularity has decreased by 42.9%. In 2007, approximately 1 in every 240,306 girls born was named Rielly. RISING Recent data shows the name is currently rising.