Brennah is a distinctive girls' name in United States, ranking #3169 in 1997 with 37 recorded births. The name reached its all-time peak in 2001 with 41 births ranking #3320. Since 1996, the popularity has increased by 105.6%. In 1997, approximately 1 in every 47,045 girls born was named Brennah. FALLING Recent data shows the name is currently falling.