Her name, Shoshi, appears in "Sonpibunmyaku" (Japanese genealogical text), while in "Kugyobunin" (directory of court nobles), her name was written as SOGA no Onshi, or SOGA no Ounako.
「娼子」という名前は『尊卑分脈』に依る物で、『公卿補任』では蘇我媼子（そがのおんし／そがのおうなこ）と書かれている。