Rielly is a distinctive girls' name in United States, ranking #9335 in 2005 with 12 recorded births. The name reached its all-time peak in 1998 with 22 births ranking #4913. Since 1996, the popularity has decreased by 14.3%. In 2005, approximately 1 in every 153,975 girls born was named Rielly. RISING Recent data shows the name is currently rising.