This is a list of the Joint Premiers of the Province of Canada, who were the heads of government of the Province of Canada from the 1841 unification of Upper Canada and Lower Canada until Confederation in 1867. Each administration was led by two men, one from Canada West (now Ontario) and one from Canada East (now Quebec). Officially, one of them at any given time had the title of Premier while the other had the title of deputy. Colour key:
| Canada West Premier | Canada East Premier | Took Office | Left Office | | | William Draper (Deputy) | | Samuel Harrison[1] (Premier) | February 5, 1841 | January 12, 1842 | | | William Draper (Premier) | | Charles Richard Ogden (Deputy) | January 12, 1842 | September 14, 1842 | | | Robert Baldwin2 (Deputy) | | Sir Louis-Hippolyte Lafontaine2 (Premier) | September 26, 1842 | November 27, 1843 | | | Sir Dominick Daly (Premier) (acting)[2] | November 27, 1843 | December 12, 1843 | | | William Draper (Premier) (2nd time) | | Denis-Benjamin Viger (Deputy) | December 12, 1843 | June 17, 1846 | | | Denis-Benjamin Papineau (Deputy) | June 17, 1846 | May 28, 1847 | | Henry Sherwood (Premier) | | Denis-Benjamin Papineau (Deputy) | May 28, 1847 | March 11, 1848 | | Responsible government[3] | | | Robert Baldwin (Deputy) | | Sir Louis-Hippolyte Lafontaine (Premier) (2nd time) | March 11, 1848 | October 28, 1851 | | | Sir Francis Hincks (Premier) | | Augustin-Norbert Morin (Deputy) | October 28, 1851 | September 11, 1854 | | | Sir Allan Napier MacNab (Premier) | | Augustin-Norbert Morin (Deputy) | September 11, 1854 | January 27, 1855 | | | Sir Étienne-Paschal Taché (Deputy) | January 27, 1855 | May 24, 1856 | | | Sir John A. Macdonald (Deputy) | | Sir Étienne-Paschal Taché (Premier) | May 24, 1856 | November 26, 1857 | | | Sir John A. Macdonald (Premier) | | Sir George-Étienne Cartier (Deputy) | November 26, 1857 | August 2, 1858 | | | George Brown (Premier) Clear Grit Party | | Antoine-Aimé Dorion (Deputy) Rouge Party | August 2, 1858 | August 6, 1858 | | | Sir John A. Macdonald (Deputy) | | Sir George-Étienne Cartier (Premier) | August 6, 1858 | May 24, 1862 | | | John Sandfield MacDonald (Premier) Liberal Party | | Louis-Victor Sicotte (Deputy) Liberal Party | May 24, 1862 | May 15, 1863 | | | Antoine-Aimé Dorion (Deputy) Liberal Party | May 15, 1863 | May 30, 1864 | | | Sir John A. Macdonald (Deputy) Liberal-Conservative Party | | Sir Étienne-Paschal Taché (Premier) Liberal-Conservative Party (2nd time) | May 30, 1864 | July 30, 1865 | | | Sir John A. Macdonald (Deputy) Liberal-Conservative Party | | Sir Narcisse-Fortunat Belleau (Premier) Liberal-Conservative Party | July 30, 1865 | June 30, 1867 | Notes:
- ^ This was a coalition of the moderate wings of the conservative and reform factions, rather than a regionally-based one.
- ^ All members of the governing Lafontaine-Baldwin coalition, except Daly, resigned in a protest over unapproved patronage appointments by the British-appointed governor: "the Metcalfe crisis". Daly would continue on as a member of the successor cabinet, headed by Draper.
- ^ In 1848, with the introduction of responsible government, Lafontaine and Baldwin became the first democratically elected leaders of Canada.
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