Brenin is a distinctive boys' name in United States, ranking #7038 in 2004 with 10 recorded births. The name reached its all-time peak in 2011 with 14 births ranking #5985. Since 1996, the popularity has increased by 66.7%. In 2004, approximately 1 in every 198,480 boys born was named Brenin. FALLING Recent data shows the name is currently falling.