The name Karlie is a Scandinavian baby name. In Scandinavian the meaning of the name Karlie is: Womanly; strength. Feminine of Karl. The name Karlie is an American baby name. In American the meaning of the name Karlie is: Womanly; strength. Feminine of Karl. The name Karlie is a German baby name. In German the meaning of the name Karlie is: Womanly; strength.' Feminine of Karl.