Eryn is a distinctive girls' name in England & Wales, ranking #615 in 2006 with 54 recorded births. The name reached its all-time peak in 2014 with 102 births ranking #427. Since 1996, the popularity has increased by 390.9%. In 2006, approximately 1 in every 5,541 girls born was named Eryn. FALLING Recent data shows the name is currently falling.