Brennah is a distinctive girls' name in United States, ranking #5951 in 2006 with 22 recorded births. The name reached its all-time peak in 2001 with 41 births ranking #3320. Since 1996, the popularity has increased by 22.2%. In 2006, approximately 1 in every 86,412 girls born was named Brennah. FALLING Recent data shows the name is currently falling.