Nairne is a small township in South Australia, founded by Matthew Smillie in 1839 and named for his wife's family. Nairne is about 7km from Mount Barker, South Australia, in the federal Division of Mayo and in the state electoral district of Kavel. At the 2011 census, Nairne had a population of 4,198.HistoryNairne began as a town on Princes Highway, which used to be the main traffic route from Sydney to Adelaide (via Melbourne) before the South Eastern Freeway superseded this section of highway in 1969.In 2003, the main street was transformed for a section of the movie The Honourable Wally Norman, which was filmed using various areas of the Adelaide Hills, including Mount Barker, Nairne and Lobethal.DemographicsNairne has several shops on the main street, a school, and two churches . It is about 7km from the town of Mount Barker and about 5km from Littlehampton.