Bryn is a distinctive girls' name in United States, ranking #744 in 2011 with 370 recorded births. The name reached its all-time peak in 2011 with 370 births ranking #744. Since 1996, the popularity has increased by 191.3%. In 2011, approximately 1 in every 4,754 girls born was named Bryn. STABLE Recent data shows the name is currently stable.