Immediately following Cyclone Tracy she earned a third certificate in infant health nursing at Tresillian Sydney.

[1] Mason became a registered nurse working in acute care in urban and remote communities.

[2] Mason entered academia in 1983 retiring in 2014 as Senior Lecturer in Health/Nursing at Charles Darwin University.

[3] She started the first VET nursing courses at Charles Darwin University, in the change-over of nurse-training in Australia from hospital-based to University-based.

[1] Mason was the first woman president of the NT Trades & Labor Council from 2000 to 2004[2] for which she received a Centenary Medal for service to Australian society in union leadership in 2001.