Thomas William Marwick 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 York, Western Australia

York, Western Australia

York is the oldest inland town in Western Australia, situated 97 km east of Perth in the Avon Valley near Northam, and is the seat of the Shire of York...

, he was educated at Catholic schools and at Perth Technical College

Old Perth Technical School

The 1910 Perth Technical School is located at 137 St Georges Terrace, Perth, Western Australia, adjacent to the Old Perth Boys School building....

 before becoming an engineer. He farmed at Brookton

Brookton, Western Australia

Brookton is a town located in the Wheatbelt region of Western Australia, Australia, from the state capital, Perth via the Brookton Highway where it crosses the Great Southern Highway. The town is also located on the Great Southern railway line. It is located within, and is the seat of government...

 and at York before entering politics. In 1936, he was appointed to the Australian Senate

Australian Senate

The Senate is the upper house of the bicameral Parliament of Australia, the lower house being the House of Representatives. Senators are popularly elected under a system of proportional representation. Senators are elected for a term that is usually six years; after a double dissolution, however,...

 to fill a casual vacancy; he represented the Country Party

National Party of Australia

The National Party of Australia is an Australian political party.Traditionally representing graziers, farmers and rural voters generally, it began as the The Country Party, but adopted the name The National Country Party in 1975, changed to The National Party of Australia in 1982. The party is...

. He was defeated in 1937. In a 1940 by-election for the 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....

 seat of Swan

Division of Swan

The Division of Swan is an Australian Electoral Division located in Western Australia. The division is named after the Swan River.For several decades, it has been a marginal seat, extending along the Swan and Canning Rivers from the affluent suburbs in the City of South Perth to the west, which...

, Marwick was elected to succeed Henry Gregory

Henry Gregory (politician)

Henry Gregory was an Australian politician. Born in Kyneton, Victoria, where he was educated, he moved to the Western Australian goldfields in 1894. He became Mayor of Menzies Shire as well as a stockbroker, farmer and press proprietor...

. He left the Country Party and stood as an 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...

 but was defeated in the next federal election

Australian federal election, 1943

Federal elections were held in Australia on 21 August 1943. All 74 seats in the House of Representatives, and 19 of the 36 seats in the Senate were up for election. The incumbent Australian Labor Party led by Prime Minister of Australia John Curtin easily defeated the opposition Country Party led...

in 1943. He retired to become a farmer, and died in 1960.