Allie is a ♀ female name.
Allie is a diminutive of several names beginning with “Al-“, e.g. Alice, Alison or Alexandra.
Allie means “noble natured”, “of noble type” or “noble person” (from Germanic “adal” = noble + “heit” = kind/sort/type) and “defending men” (from ancient Greek “aléxein/ἀλέξειν” = to defend/help + “anēr/ἀνήρ” = man).