[1] He represented the District of Burnett in the Legislative Assembly of Queensland, from 28 Nov 1878 to 1 Oct 1883.
[1][3] In 1859 Baynes joined Isaac and Hugh Moore on Barambah station in the Burnett district and on Condamine Plains on the Darling Downs.
The firm undertook meat preserving in leased premises at Queensport and had nearly 30 suburban shops as well as a plant at Belmont for fellmongering, wool scouring and soap making.
In 1894 they registered the Graziers Butchering and Meat Export Co. Ltd with power to take over the assets of the two older companies.
With a new partner John Stitt, Harry reorganised the firm in 1918 as Baynes Ltd.[1] Baynes died of acute meningitis on 4 September 1898,[1][4] aged 66 years, whilst on business in Batavia, where he had just secured arrangements with the Netherlands India Company.