2 In July 1867, Robert Byron Miller, one of the five members for Hobart Town, resigned. Charles Cansdell won the resulting by-election on 19 August 1867.
M1 On 24 November 1866, William Lambert Dobson was appointed to the Ministry by the new Premier of Tasmania, Richard Dry, and was therefore required to resign and contest a ministerial by-election, at which he was returned unopposed on 4 December 1866. Not so fortunate was Colonial Treasurer Thomas Chapman, one of the five members for Hobart Town, who was defeated by John Lord on 3 December 1866. John Crookes resigned his Launceston seat, which Chapman won at the resulting by-election on 31 December 1866.
M2 On 27 October 1869, James Milne Wilson appointed Henry Butler to the Ministry. He was returned unopposed at the resulting ministerial by-election on 8 November 1869.
M3 On 5 February 1870, James Milne Wilson appointed William Giblin to the Ministry. He was returned unopposed at the resulting ministerial by-election on 14 February 1870.