Aerin is a distinctive girls' name in United States, ranking #4574 in 2009 with 32 recorded births. The name reached its all-time peak in 2008 with 54 births ranking #3120. Since 1996, the popularity has increased by 88.2%. In 2009, approximately 1 in every 57,402 girls born was named Aerin. FALLING Recent data shows the name is currently falling.