Brenna is a moderately popular girls' name in United States, ranking #383 in 2006 with 845 recorded births. The name reached its all-time peak in 1996 with 1,149 births ranking #248. Since 1996, the popularity has decreased by 26.5%. In 2006, approximately 1 in every 2,250 girls born was named Brenna. RISING Recent data shows the name is currently rising.