Dominic Eric Costa 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. He was born at Warialda, New South Wales

Warialda, New South Wales

Warialda is a town in the Northwest Slopes region of New South Wales, Australia, in Gwydir Shire. Situated on the banks of the Warialda Creek, the town’s name means “Place of Wild Honey.” At the 2006 census, Warialda had a population of 1,206.- Transport :...

 and was educated at public schools. He worked as a postal worker and a postmaster before becoming President of the New South Wales Telegraphists and Postal Clerks Union from 1939 to 1949, when 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 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 the new seat of Banks

Division of Banks

The Division of Banks is an Australian Electoral Division in New South Wales. The division was created in 1949 and is named for Sir Joseph Banks, the British scientist who accompanied James Cook on his voyage to Australia in 1770. It has always been based in the south-western suburbs of Sydney,...

. He sat in the House until he retired in 1969.