Erinn is a distinctive girls' name in United States, ranking #3675 in 2002 with 36 recorded births. The name reached its all-time peak in 1997 with 77 births ranking #1905. Since 1996, the popularity has decreased by 36.8%. In 2002, approximately 1 in every 49,912 girls born was named Erinn. FALLING Recent data shows the name is currently falling.