Brayn is a distinctive boys' name in United States, ranking #6998 in 2001 with 9 recorded births. This places Brayn in the bottom 43% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 15 births ranking #5064. In 2001, approximately 1 in every 215,870 boys born was named Brayn. FALLING Recent data shows the name is currently falling.