Brenin is a distinctive boys' name in United States, ranking #7259 in 2008 with 11 recorded births. The name reached its all-time peak in 2011 with 14 births ranking #5985. Since 1996, the popularity has increased by 83.3%. In 2008, approximately 1 in every 185,450 boys born was named Brenin. FALLING Recent data shows the name is currently falling.