Eryn is a distinctive girls' name in England & Wales, ranking #560 in 2016 with 75 recorded births. The name reached its all-time peak in 2014 with 102 births ranking #427. Since 1996, the popularity has increased by 581.8%. In 2016, approximately 1 in every 4,095 girls born was named Eryn. FALLING Recent data shows the name is currently falling.