Brennah is a distinctive girls' name in United States, ranking #3252 in 1999 with 39 recorded births. The name reached its all-time peak in 2001 with 41 births ranking #3320. Since 1996, the popularity has increased by 116.7%. In 1999, approximately 1 in every 45,482 girls born was named Brennah. FALLING Recent data shows the name is currently falling.