Brennah is a distinctive girls' name in United States, ranking #3991 in 2002 with 32 recorded births. The name reached its all-time peak in 2001 with 41 births ranking #3320. Since 1996, the popularity has increased by 77.8%. In 2002, approximately 1 in every 56,151 girls born was named Brennah. FALLING Recent data shows the name is currently falling.