Rileigh is a distinctive girls' name in United States, ranking #1645 in 1999 with 102 recorded births. The name reached its all-time peak in 2009 with 221 births ranking #1149. Since 1996, the popularity has increased by 168.4%. In 1999, approximately 1 in every 17,390 girls born was named Rileigh. FALLING Recent data shows the name is currently falling.