Rileigh is a distinctive girls' name in United States, ranking #1376 in 2001 with 139 recorded births. This places Rileigh in the top 8% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 221 births ranking #1149. Since 1996, the popularity has increased by 265.8%. In 2001, approximately 1 in every 12,954 girls born was named Rileigh. FALLING Recent data shows the name is currently falling.