Career
In 1845, George Young and William Younghusband founded a woolbroking and shipping business "William Younghusband, jun. & Company", with offices in Gilbert Street, Adelaide. The company was wound up in 1867.
He and Gavin have been described as surveyors and land agents.
By 1867 he was living in Torrens Park. He was a director of the Wallaroo mines.
He may have been Chairman of the South Australian Insurance Company and a director of the South Australian Gas Company. He declined nomination for the succeeding parliament on account of ill health, and died in Parkside after some years as a virtual invalid.