Eryn is a distinctive girls' name in England & Wales, ranking #540 in 2009 with 73 recorded births. The name reached its all-time peak in 2014 with 102 births ranking #427. Since 1996, the popularity has increased by 563.6%. In 2009, approximately 1 in every 4,293 girls born was named Eryn. FALLING Recent data shows the name is currently falling.