Brynna is a distinctive girls' name in United States, ranking #2528 in 2015 with 71 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 39.2%. In 2015, approximately 1 in every 25,136 girls born was named Brynna. FALLING Recent data shows the name is currently falling.