Brenna is a distinctive girls' name in United States, ranking #1846 in 2025 with 108 recorded births. The name reached its all-time peak in 1996 with 1,149 births ranking #248. Since 1996, the popularity has decreased by 90.6%. In 2025, approximately 1 in every 14,882 girls born was named Brenna. RISING Recent data shows the name is currently rising.