Erinn is a distinctive girls' name in United States, ranking #4722 in 2009 with 31 recorded births. The name reached its all-time peak in 1997 with 77 births ranking #1905. Since 1996, the popularity has decreased by 45.6%. In 2009, approximately 1 in every 59,254 girls born was named Erinn. FALLING Recent data shows the name is currently falling.