Rielly is a distinctive girls' name in United States, ranking #11310 in 2009 with 10 recorded births. The name reached its all-time peak in 1998 with 22 births ranking #4913. Since 1996, the popularity has decreased by 28.6%. In 2009, approximately 1 in every 183,687 girls born was named Rielly. RISING Recent data shows the name is currently rising.