Rileigh is a distinctive girls' name in United States, ranking #1548 in 2000 with 116 recorded births. The name reached its all-time peak in 2009 with 221 births ranking #1149. Since 1996, the popularity has increased by 205.3%. In 2000, approximately 1 in every 15,655 girls born was named Rileigh. FALLING Recent data shows the name is currently falling.