Brennah is a distinctive girls' name in United States, ranking #9204 in 2012 with 12 recorded births. The name reached its all-time peak in 2001 with 41 births ranking #3320. Since 1996, the popularity has decreased by 33.3%. In 2012, approximately 1 in every 146,729 girls born was named Brennah. FALLING Recent data shows the name is currently falling.