The name Aerin is a girl's name . Aerin and is often added to user-created lists like Short, Vowel-Heavy Girls Names and discussed in our forums with posts like "Choose 10 -Girls".
From the experts:
In Tolkien's world, the derivation of this airy name is Elvish. Regular folks might consider it an artsier form of Erin, borne by cosmetics heiress and socialite Aerin Lauder.