Aerin is a distinctive girls' name in United States, ranking #4072 in 2019 with 35 recorded births. The name reached its all-time peak in 2008 with 54 births ranking #3120. Since 1996, the popularity has increased by 105.9%. In 2019, approximately 1 in every 47,931 girls born was named Aerin. FALLING Recent data shows the name is currently falling.