Rayn is a distinctive boys' name in United States, ranking #8032 in 2000 with 8 recorded births. The name reached its all-time peak in 2011 with 17 births ranking #5378. Since 1996, the popularity has increased by 14.3%. In 2000, approximately 1 in every 245,492 boys born was named Rayn. RISING Recent data shows the name is currently rising.