Eryn is a distinctive girls' name in England & Wales, ranking #596 in 2012 with 71 recorded births. The name reached its all-time peak in 2014 with 102 births ranking #427. Since 1996, the popularity has increased by 545.5%. In 2012, approximately 1 in every 4,536 girls born was named Eryn. FALLING Recent data shows the name is currently falling.