Rayn is a distinctive girls' name in United States, ranking #7936 in 2000 with 13 recorded births. The name reached its all-time peak in 2023 with 37 births ranking #4025. Since 1996, the popularity has increased by 30.0%. In 2000, approximately 1 in every 139,690 girls born was named Rayn. FALLING Recent data shows the name is currently falling.