Hi,
I couldn't find her parents either. Their names might be in her obituary. You can contact these two organizations and ask about a copy of her obit.
Wilkinson County Museum,
http://msgw.org/wilkinson/museum.htm#listSouthwest Mississippi Genealogical Society,
http://swmgs.com/Her parents will be on her death certificate if the Informant knew their names. Successful Searching!