Brayn is a distinctive boys' name in United States, ranking #7184 in 2005 with 10 recorded births. The name reached its all-time peak in 2003 with 15 births ranking #5064. Since 1996, the popularity has increased by 11.1%. In 2005, approximately 1 in every 199,715 boys born was named Brayn. FALLING Recent data shows the name is currently falling.