Rayn is a distinctive boys' name in United States, ranking #6433 in 2004 with 12 recorded births. The name reached its all-time peak in 2011 with 17 births ranking #5378. Since 1996, the popularity has increased by 71.4%. In 2004, approximately 1 in every 165,400 boys born was named Rayn. RISING Recent data shows the name is currently rising.