Brynna is a distinctive girls' name in United States, ranking #1564 in 2009 with 144 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 182.4%. In 2009, approximately 1 in every 12,756 girls born was named Brynna. FALLING Recent data shows the name is currently falling.