William Senior was an English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

-born 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 Yorkshire

Yorkshire

Yorkshire is a historic county of northern England and the largest in the United Kingdom. Because of its great size in comparison to other English counties, functions have been increasingly undertaken over time by its subdivisions, which have also been subject to periodic reform...

, he migrated to Australia as a child and was educated at state schools in Mount Gambier

Mount Gambier, South Australia

Mount Gambier is the largest regional city in South Australia located approximately 450 kilometres south of the capital Adelaide and just 17 kilometres from the Victorian border....

, South Australia

South Australia

South Australia is a state of Australia in the southern central part of the country. It covers some of the most arid parts of the continent; with a total land area of , it is the fourth largest of Australia's six states and two territories.South Australia shares borders with all of the mainland...

. He became a shopkeeper and Methodist minister. In 1904, he was elected to the South Australian House of Assembly

South Australian House of Assembly

The House of Assembly, or lower house, is one of the two chambers of the Parliament of South Australia. The other is the Legislative Council. It sits in Parliament House in the state capital, Adelaide.- Overview :...

 as the 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...

 member for Victoria and Albert, holding the seat until 1912. In 1913, he was elected 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,...

 as a Labor Senator for South Australia. He left the Labor Party in the wake of the 1916 split over conscription

Conscription

Conscription is the compulsory enlistment of people in some sort of national service, most often military service. Conscription dates back to antiquity and continues in some countries to the present day under various names...

, joining the Nationalist Party

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...

. Defeated in 1922, Senior died in 1926.