Name Wylla Gender Feminine & Masculine Usage English (American, Rare), Portuguese (Brazilian, Rare) Pronounced Pron. WIL-ə (English (American)) Edit Status Status Meaning & History In the United States, this name is a variant spelling of the feminine name WILLA.In Brazil, this name is a unisex name that is most likely a short form of given names starting with Wil-, Wyl- and perhaps even Guil- (such as GUILHERME).