Arlen — Name Meaning, Origin & Popularity

Arlen is a unisex name of Hebrew/Gaelic origin, meaning "pledge; oath".

Style & feel. With unisex and rare on its style card, Arlen sits comfortably in the modern naming landscape — familiar enough that nobody misreads it, distinctive enough that your child won't share it with three classmates. At 2 syllables, it flows across most middle-name combinations and survives every life stage from playground to résumé.

Pairing ideas. Arlen pairs naturally with one- and two-syllable middles (Wilder, Emery share its sound-world). If you like Arlen, you'll probably also love Wilder, Emery, Ellis — same era, same energy, same bone structure.