Arilyn is a distinctive girls' name in United States, ranking #4781 in 2014 with 29 recorded births. This places Arilyn in the top 25% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 29 births ranking #4781. In 2014, approximately 1 in every 61,584 girls born was named Arilyn. FALLING Recent data shows the name is currently falling.