Brynna is a distinctive girls' name in United States, ranking #1489 in 2004 with 135 recorded births. The name reached its all-time peak in 2011 with 171 births ranking #1349. Since 1996, the popularity has increased by 164.7%. In 2004, approximately 1 in every 13,601 girls born was named Brynna. FALLING Recent data shows the name is currently falling.