Brynna is a distinctive girls' name in United States, ranking #1959 in 2001 with 88 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 72.5%. In 2001, approximately 1 in every 20,461 girls born was named Brynna. FALLING Recent data shows the name is currently falling.