Submitted NameRevisions Save Gender Feminine Usage Brazilian (Rare), Medieval German (Rare) Other Forms FormsYslane Edit Status Status [show contributorshide contributors] Added 9/11/2017 by elbowin Edited 2/14/2019 by Frollein Gladys Meaning & History As a medieval German name, some academics consider this name to be derived from a Latin dative form of ISLA.