Rayn is a distinctive boys' name in United States, ranking #8572 in 2015 with 9 recorded births. The name reached its all-time peak in 2011 with 17 births ranking #5378. Since 1996, the popularity has increased by 28.6%. In 2015, approximately 1 in every 212,918 boys born was named Rayn. RISING Recent data shows the name is currently rising.