Erinn is a distinctive girls' name in United States, ranking #9149 in 2014 with 12 recorded births. The name reached its all-time peak in 1997 with 77 births ranking #1905. Since 1996, the popularity has decreased by 78.9%. In 2014, approximately 1 in every 148,828 girls born was named Erinn. FALLING Recent data shows the name is currently falling.