Brynna is a distinctive girls' name in United States, ranking #1660 in 2010 with 128 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 151.0%. In 2010, approximately 1 in every 13,885 girls born was named Brynna. FALLING Recent data shows the name is currently falling.