William Trenwith

The Honourable William Trenwith
1st Leader of the Labour Party in Victoria Elections: 1894, 1897, 1900
In office 21 April 1892 – 3 December 1900
Preceded by	Position Established
Succeeded by	Frederick Bromley
Member of the Victorian Legislative Assembly for Richmond
In office 28 March 1889 – 18 November 1903
Preceded by	Charles Smith
Succeeded by	George Roberts
Senator for Victoria
In office 1 January 1904 – 30 June 1910
Personal details
Born	William Arthur Trenwith (1846-07-15)15 July 1846 Launceston, Tasmania
Died	26 July 1925(1925-07-26) (aged 79) Camberwell, Victoria, Australia
Nationality	Australian
Political party	United Labour Party Independent (1904–09) Liberal (1909–10)
Spouse(s)	Susannah Page (m. 1868-1896; her death) Elizabeth Bright (m. 1896-1923; her death) Helen Florence Sinclair (m. 1924-1925; his death)
Children	7
Occupation	Bootmaker, union secretary

William Arthur Trenwith (15 July 1846 – 26 July 1925) was an Australian labour movement politician and pioneer trade union official who served as the 1st leader of the Victorian branch of the Australian Labor Party (Labour Party) from 1892 to 1900. He also served as Senator for Victoria from 1904 to 1910.