Erinn is a distinctive girls' name in United States, ranking #3032 in 1998 with 42 recorded births. The name reached its all-time peak in 1997 with 77 births ranking #1905. Since 1996, the popularity has decreased by 26.3%. In 1998, approximately 1 in every 42,069 girls born was named Erinn. FALLING Recent data shows the name is currently falling.