McFarlane was born in Sydney on 22 May 1944. Her father abandoned the family when she was a small child and her mother remarried in the early 1950s. She grew up in a rural area and her family "struggled with domestic violence, alcoholism and poverty". After leaving school McFarlane worked as a cleaner, secretary and clerk. She later completed a
Bachelor of Arts at
Macquarie University as a mature-age student and began working in the community sector. Prior to her election to parliament she had worked at a community legal centre and welfare rights centre for six years. ==Politics==