Brayn is a distinctive boys' name in United States, ranking #11009 in 2011 with 6 recorded births. The name reached its all-time peak in 2003 with 15 births ranking #5064. Since 1996, the popularity has decreased by 33.3%. In 2011, approximately 1 in every 316,498 boys born was named Brayn. FALLING Recent data shows the name is currently falling.