The name Perseus is a boy's name of Greek origin. Perseus and is often added to lists like Unique Baby Names: Unusual and Rare and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
Perseus is a godly Greek hero (he was a son of Zeus) whose ancient name just might have modern possibilities along with other so-old-they're-new-again names such as Atticus and Orion.