Rielly is a distinctive boys' name in United States, ranking #5964 in 1999 with 11 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #4296. Since 1996, the popularity has increased by 83.3%. In 1999, approximately 1 in every 174,553 boys born was named Rielly. RISING Recent data shows the name is currently rising.