Brynn is a moderately popular girls' name in United States, ranking #388 in 2022 with 806 recorded births. The name reached its all-time peak in 2011 with 1,665 births ranking #192. Since 1996, the popularity has increased by 360.6%. In 2022, approximately 1 in every 2,033 girls born was named Brynn. STABLE Recent data shows the name is currently stable.