Jean Williams was born of German and Anglo-Australian parents and during World War II she served with the Red Cross Missing, Wounded and Prisoner of War (POW) Section before joining the Australian Women's Army Medical Service. She then studied Journalism with the South Australian Technical Correspondence School and Creative Writing with the New South Wales Society of Women Writers. She worked as a stenographer for state and federal parliaments.
Williams's work has been widely published in Australian journals and she has won awards and regional literary prizes for her writing notably from Radio BBC (London), the City of Mackay and Pine River Shire Council. Her work has been read on Radio ABC, on Channel 10 TV (Adelaide) and she has read her work at local schools.
In 1988, Williams was living with her husband on a farm at Nambour, Queensland.