Erynn is a distinctive girls' name in United States, ranking #3722 in 2015 with 41 recorded births. The name reached its all-time peak in 1999 with 73 births ranking #2101. Since 1996, the popularity has decreased by 18.0%. In 2015, approximately 1 in every 43,528 girls born was named Erynn. RISING Recent data shows the name is currently rising.