[1][2] On 20 June 1877 he married Ada Constance Jackson in Casterton, Victoria.

[2][3] Ernest Stevens was elected to the Queensland Legislative Assembly to represent the electoral district of Warrego from 14 November 1878 to 17 August 1883.

[4] He was elected to the Queensland Legislative Assembly to represent the electoral district of Logan from 17 August 1883 to 4 April 1896.

[4] In July 1884 Stevens proposed that the Queensland Government erect a fence to prevent the infestation of rabbits in New South Wales from spreading into Queensland (his Logan electorate being very close to the New South Wales border).

[4][6] Ernest Stevens died on 3 March 1922 in a Brisbane private hospital, following a period of ill-health.