The Hanson ministry was the 4th ministry of the Government of South Australia, led by Premier Richard Hanson. It commenced on 30 September 1857 with the defeat of the Torrens ministry on the floor of the House of Assembly. Hanson's government was the longest lasting at this point, surviving until 9 May 1860, a total of . It fell after losing a confidence vote, and was replaced by Thomas Reynolds' First ministry.
Hanson's ministry was the first in South Australia to include a former Premier, Boyle Finniss.
Composition of ministry PortfolioMinisterTerm commenceTerm endTerm of officePremierAttorney-GeneralHon. Richard Hanson MHA30 September 18579 May 1860 daysChief SecretaryHon. William Younghusband MLC Colonial TreasurerHon. Capt. John Hart MHA12 June 1858 daysHon. Boyle Finniss MHA12 June 18589 May 1860 days Commissioner of Crown Lands and ImmigrationHon. Francis Dutton MHA30 September 18572 June 1859 daysHon. John Neales MHA2 June 18595 July 1859 daysHon. William Milne MHA5 July 18599 May 1860 days Commissioner of Public WorksHon. Thomas Reynolds MHA30 September 185712 June 1858 daysHon. Arthur Blyth MHA12 June 18589 May 1860 days
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