Brennah is a distinctive girls' name in United States, ranking #3997 in 2000 with 31 recorded births. The name reached its all-time peak in 2001 with 41 births ranking #3320. Since 1996, the popularity has increased by 72.2%. In 2000, approximately 1 in every 58,580 girls born was named Brennah. FALLING Recent data shows the name is currently falling.