1843 in Canada
|Years in Canada:||1840 1841 1842 1843 1844 1845 1846|
|Centuries:||18th century · 19th century · 20th century|
|Decades:||1810s 1820s 1830s 1840s 1850s 1860s 1870s|
|Years:||1840 1841 1842 1843 1844 1845 1846|
|Part of a series on the|
|History of Canada|
|By Provinces and Territories|
Events from the year 1843 in Canada.
- January 19 - Mount Allison University is founded.
- September 1 - First Prime Minister of Canada Sir John A. Macdonald marries Isabella Clark 
- December 9 - Bishop's University is founded.
Full date unknown
- Fort Victoria built by British to strengthen their claim to Vancouver Island.
- David Thompson sends a set of refined maps to London.
- Lord Metcalfe comes to Montreal.
- The Cornwall and Chambly Canals are opened.
- Survey of Boundary, between the U.S. and Canada, is begun.
- Grace Marks is controversially convicted of murder. The crime and trial will form the basis for Margaret Atwood's novel Alias Grace in 1996.
January to June
- February 3 - William Cornelius Van Horne, pioneering railway executive (died 1915)
- February 10 - Jean Blanchet, politician (died 1908)
- March 16 - James Mitchell, politician and 7th Premier of New Brunswick (died 1897)
- May 2 - Elijah McCoy, inventor and engineer (died 1929)
- May 17 - Robert Beith, politician (died 1922)
- June 1 - David Howard Harrison, farmer, physician, politician and 6th Premier of Manitoba (died 1905)
July to December
- August 4 - Joseph-Guillaume Bossé, politician and lawyer (died 1908)
- September 30 - Samuel Barton Burdett, politician, lawyer and lecturer (died 1892)
- October 2 - James Whitney, politician and 6th Premier of Ontario (died 1914)
- October 25 - Thomas Simpson Sproule, politician and Speaker of the Canadian House of Commons (died 1917)
- December 3 - William Dillon Otter, soldier and first Canadian-born Chief of the General Staff (died 1929)
- December 6 - William Wilfred Sullivan, journalist, jurist, politician and Premier of Prince Edward Island (died 1920)
- February 26 (baptised) - William Carson (born 1770)
- September 16 - Ezekiel Hart, entrepreneur, politician, and first Jew to be elected to public office in the British Empire (born 1767)
- October 6 - Sir Archibald Campbell, 1st Baronet, army officer and colonial administrator (born 1769)