He was a member of the Queensland Legislative Assembly from 1915 until his death in 1939, representing the seat of Charters Towers for the Australian Labor Party (ALP).
[1] He was associated with various other miners' organisations in Charters Towers, including vice-president of the Australian Labor Federation and a trustee of The Worker, the Labour-associated Newspaper.
[1] At the 1912 state election, Wellington, for the Labor Party, won the seat of Charters Towers, beating the sitting Ministerial member Robert Williams.
[1] On 10 April 1917, Wellington married Violet Beatrice Annie Ruthenberg (died 1964)[2] and together had three sons and three daughters.
[1] Wellington died of pneumonia in Charters Towers on 2 March 1939, aged 59, after a year of poor health.