[1] Driver worked as a secretary at the Department of Agriculture between 1918 and 1920 where she met her husband, Albert Ernest Greenwood, an accountant.

[1] Between 1931 and 1935, Greenwood worked as a broadcaster in Sydney before moving to Perth to run regular radio programmes, several of which centered around women.

During the 1960s and 1970s, she became a delegate to national conferences and forums and worked with the Women's International League for Peace and Freedom until she was in her seventies.

[3] Before her death on 14 April 1992,[1] Greenwood donated the majority of her radio transcripts, books, journals, personal correspondence and her papers from the organisations which she was involved with to the Murdoch University library.

[4] In 2005 a biography by Kaye Murray, Voice for Peace: The spirit of social activist Irene Greenwood (1898-1992), was published.