Rayn is a distinctive girls' name in United States, ranking #4961 in 2025 with 27 recorded births. The name reached its all-time peak in 2023 with 37 births ranking #4025. Since 1996, the popularity has increased by 170.0%. In 2025, approximately 1 in every 59,528 girls born was named Rayn. FALLING Recent data shows the name is currently falling.