Rielly is a distinctive girls' name in United States, ranking #6021 in 2001 with 19 recorded births. The name reached its all-time peak in 1998 with 22 births ranking #4913. Since 1996, the popularity has increased by 35.7%. In 2001, approximately 1 in every 94,766 girls born was named Rielly. RISING Recent data shows the name is currently rising.