Bren is a distinctive boys' name in United States, ranking #4846 in 2003 with 16 recorded births. The name reached its all-time peak in 2003 with 16 births ranking #4846. Since 1996, the popularity has increased by 128.6%. In 2003, approximately 1 in every 123,454 boys born was named Bren. FALLING Recent data shows the name is currently falling.