Rileigh is a distinctive girls' name in United States, ranking #1110 in 2003 with 199 recorded births. The name reached its all-time peak in 2009 with 221 births ranking #1149. Since 1996, the popularity has increased by 423.7%. In 2003, approximately 1 in every 9,181 girls born was named Rileigh. FALLING Recent data shows the name is currently falling.