Eryn is a distinctive girls' name in England & Wales, ranking #521 in 2008 with 74 recorded births. The name reached its all-time peak in 2014 with 102 births ranking #427. Since 1996, the popularity has increased by 572.7%. In 2008, approximately 1 in every 4,267 girls born was named Eryn. FALLING Recent data shows the name is currently falling.