Eryn is a distinctive girls' name in England & Wales, ranking #647 in 2010 with 58 recorded births. The name reached its all-time peak in 2014 with 102 births ranking #427. Since 1996, the popularity has increased by 427.3%. In 2010, approximately 1 in every 5,535 girls born was named Eryn. FALLING Recent data shows the name is currently falling.