Rileigh is a distinctive girls' name in United States, ranking #1175 in 2010 with 208 recorded births. The name reached its all-time peak in 2009 with 221 births ranking #1149. Since 1996, the popularity has increased by 447.4%. In 2010, approximately 1 in every 8,545 girls born was named Rileigh. FALLING Recent data shows the name is currently falling.