Name occurs in Latin form as Alwinus, the form for the Anglo-Saxon name Ælfwine, although it may be a form for Alpín. A similar name, Alguine, occurs in the Book of Deer, and two Mormaers of Lennox had the name Ailín, similarly rendered as Alwinus.
The name is recorded in Latin as Alwinus, which corresponds to the Anglo-Saxon name Ælfwine. It could also be a variant of Alpín. A similar name, Alguine, appears in the Book of Deer, and two Mormaers of Lennox bore names that were rendered as Alwinus.