Rileigh is a distinctive girls' name in United States, ranking #1716 in 2015 with 123 recorded births. The name reached its all-time peak in 2009 with 221 births ranking #1149. Since 1996, the popularity has increased by 223.7%. In 2015, approximately 1 in every 14,509 girls born was named Rileigh. FALLING Recent data shows the name is currently falling.