Brynna is a distinctive girls' name in United States, ranking #5955 in 2025 with 20 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has decreased by 60.8%. In 2025, approximately 1 in every 80,363 girls born was named Brynna. FALLING Recent data shows the name is currently falling.