Rileigh is a distinctive girls' name in United States, ranking #1732 in 1998 with 92 recorded births. The name reached its all-time peak in 2009 with 221 births ranking #1149. Since 1996, the popularity has increased by 142.1%. In 1998, approximately 1 in every 19,205 girls born was named Rileigh. FALLING Recent data shows the name is currently falling.