Erinn is a distinctive girls' name in United States, ranking #1905 in 1997 with 77 recorded births. The name reached its all-time peak in 1997 with 77 births ranking #1905. Since 1996, the popularity has increased by 35.1%. In 1997, approximately 1 in every 22,606 girls born was named Erinn. FALLING Recent data shows the name is currently falling.