Brynna is a distinctive girls' name in United States, ranking #1678 in 2008 with 133 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 160.8%. In 2008, approximately 1 in every 14,216 girls born was named Brynna. FALLING Recent data shows the name is currently falling.