From Longman Dictionary of Contemporary EnglishJane DoeJane Doe /ˌdʒeɪn ˈdəʊ $ -ˈdoʊ/ noun [countable, uncountable] American English SCLPERSON/PEOPLEused especially by the police to refer to a woman whose name is not known → John Doe
Examples from the Corpus
Jane Doe• Dennis Price, that the little girl was Baby Jane Doe. 