Brynna is a distinctive girls' name in United States, ranking #2233 in 1997 with 61 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 19.6%. In 1997, approximately 1 in every 28,535 girls born was named Brynna. FALLING Recent data shows the name is currently falling.