Aerin is a distinctive girls' name in United States, ranking #4954 in 2006 with 28 recorded births. The name reached its all-time peak in 2008 with 54 births ranking #3120. Since 1996, the popularity has increased by 64.7%. In 2006, approximately 1 in every 67,895 girls born was named Aerin. FALLING Recent data shows the name is currently falling.