David Sydney Jackson was an Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

n politician. Born in Launceston

Launceston, Tasmania

Launceston is a city in the north of the state of Tasmania, Australia at the junction of the North Esk and South Esk rivers where they become the Tamar River. Launceston is the second largest city in Tasmania after the state capital Hobart...

, Tasmania

Tasmania

Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

, he was educated at state schools before becoming a manufacturing locksmith. He also served as President of the Tasmanian Chamber of Manufacturers. In 1919, he was elected to the Australian House of Representatives

Australian House of Representatives

The House of Representatives is one of the two houses of the Parliament of Australia; it is the lower house; the upper house is the Senate. Members of Parliament serve for terms of approximately three years....

 as the Nationalist

Nationalist Party of Australia

The Nationalist Party of Australia was an Australian political party. It was formed on 17 February 1917 from a merger between the conservative Commonwealth Liberal Party and the National Labor Party, the name given to the pro-conscription defectors from the Australian Labor Party led by Prime...

 member for Bass

Division of Bass

The Division of Bass is an Australian Electoral Division in Tasmania. The division was created in 1903 and is named for the explorer George Bass. It has always been based on the city of Launceston and surrounding rural areas, and its boundaries have changed very little in the century since its...

, defeating Nationalist-turned-independent

Independent (politician)

In politics, an independent or non-party politician is an individual not affiliated to any political party. Independents may hold a centrist viewpoint between those of major political parties, a viewpoint more extreme than any major party, or they may have a viewpoint based on issues that they do...

 MP Jens Jensen

Jens Jensen

Jens August Jensen was an Australian politician and Minister for the Navy.Jensen was born in Ballarat, Victoria and educated at Ballarat, leaving school at 11. He became a rabbit-hawker and miner at Beaconsfield, Tasmania. In July 1885 he married Elizabeth Frances Broadhurst; she died in 1894...

. He held the seat until his defeat in 1929 by Labor

Australian Labor Party

The Australian Labor Party is an Australian political party. It has been the governing party of the Commonwealth of Australia since the 2007 federal election. Julia Gillard is the party's federal parliamentary leader and Prime Minister of Australia...

 candidate Allan Guy

Allan Guy

James Allan Guy, CBE was an Australian politician who represented the Australian Labor Party in both the Tasmanian House of Assembly and the Federal House of Representatives, before leaving to represent the United Australia Party and then the Liberal Party of Australia in both the House of...

. He became a businessman, and was chairman of the Tasmanian Exhibition in 1937. Jackson died in 1941.