Brynna is a distinctive girls' name in United States, ranking #1638 in 1999 with 102 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 100.0%. In 1999, approximately 1 in every 17,390 girls born was named Brynna. FALLING Recent data shows the name is currently falling.