Tasmania: Governors: 1856-1901

Captain General and Governor-in-Chief of the Colony of Tasmania and its Dependencies
1 Jan 1856 - 16 Jun 1862	Sir Henry Edward Fox Young [1][2][3]
16 Jun 1862 - 23 Mar 1869	Thomas Robert Gore Browne [4][5]
Governor and Commander-in-Chief in and over the Colony of Tasmania and its Dependencies
23 Mar 1869 - 13 Jan 1875	Charles Du Cane
13 Jan 1875 - 21 Oct 1880	Frederick Aloysius Weld [6]
Administrator of the Government of the Colony of Tasmania and its Dependencies
21 Oct 1880 - 7 Dec 1881	Sir Henry Lefroy
Governor and Commander-in-Chief in and over the Colony of Tasmania and its Dependencies
7 Dec 1881 - 11 Mar 1887	Sir George Cumine Strahan
11 Mar 1887 - 8 Aug 1893	Sir Robert George Crookshank Hamilton
8 Aug 1893 - 1 Jan 1901	Jenico William Joseph Preston, Viscount Gormanston [7]

The commission of Young as Governor-in-Chief of Tasmania was read and published on 17 Dec 1855 and he took the oath of office on the same day. The change of the name to Tasmania became effective on 1 Jan 1856.
Also in South Australia.
During the absence of Young, the functions of Governor devolved on:

Administrator of the Government of Tasmania and its Dependencies

10 Dec 1861 - 16 Jun 1862

Thomas Robert Gore Browne
Also in New Zealand.
During the absence of Browne, the functions of Governor devolved on:

Administrator of the Government of the Colony of Tasmania

29 Dec 1868 - 15 Jan 1869

William Cosmo Trevor

15 Jan 1869 - 23 Mar 1869

Charles Du Cane
Also in Western Australia.
The office of Governor of the Colony of Tasmania was replaced by that of Governor of the State of Tasmania on 1 Jan 1901, when the letters patent constituting the former were revoked and the new letters patent were read and published.