Brenin is a distinctive boys' name in United States, ranking #8269 in 2007 with 9 recorded births. The name reached its all-time peak in 2011 with 14 births ranking #5985. Since 1996, the popularity has increased by 50.0%. In 2007, approximately 1 in every 230,582 boys born was named Brenin. FALLING Recent data shows the name is currently falling.