Erinn is a distinctive girls' name in United States, ranking #3040 in 2000 with 46 recorded births. The name reached its all-time peak in 1997 with 77 births ranking #1905. Since 1996, the popularity has decreased by 19.3%. In 2000, approximately 1 in every 39,478 girls born was named Erinn. FALLING Recent data shows the name is currently falling.