He was a National Party member of the Victorian Legislative Assembly from 1999 to 2014, representing the electorates of Wimmera (1999–2002) and Lowan (2002–2014).
[6] Delahunty was born and educated in Murtoa, a wheat district town in country Victoria.
His secondary education was at Monivae College, Hamilton and further studies at the William Angliss Food and Trade School, Melbourne.
He farmed for four years on the family grain and sheep property before moving to Melbourne and later Donald before settling in Horsham.
[7] A keen sportsman, Delahunty participated in and coached many sports in the Wimmera and is a life member of the Murtoa Football Club.