Erinn is a distinctive girls' name in United States, ranking #5335 in 2008 with 27 recorded births. The name reached its all-time peak in 1997 with 77 births ranking #1905. Since 1996, the popularity has decreased by 52.6%. In 2008, approximately 1 in every 70,027 girls born was named Erinn. FALLING Recent data shows the name is currently falling.