- 6 January 1940
Maclean, New South Wales, Australia
- Teacher and Activist
Mairi Petersen is widely known and respected in the labor movement, particularly in Illawarra. She stood as an ALP candidate in the following elections:
New South Wales Legislative Assembly for Bligh in 1976.
House of Representatives for Wentworth in 1975.
City of Shellharbour Council in 1995.