Brynna is a distinctive girls' name in United States, ranking #2005 in 2006 with 99 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 94.1%. In 2006, approximately 1 in every 19,203 girls born was named Brynna. FALLING Recent data shows the name is currently falling.