One of the Sirens in Greek mythology, Ligeia was also the title character in an Edgar Allan Poe story. The mythological Ligeia was half-bird, half-woman. Spelling may also be Lygeia or Ligia.

Ligia, also spelled Ligeia, is the name of one of the Greek Sirens, who was half-bird, half-woman. It's also the title of an Edgar Allen Poe poem.