Rebellions of 1837–1838 Alexander Fraser (January 18, 1786 – November 12, 1853) was a soldier and political figure in Upper Canada.

He commanded the 1st Glengarry Battalion of Militia during the rebellion of 1837–38 in Lower Canada fighting at the Battle of Beauharnois.

In 1841, he became a legislative councilor for the province of Canada and he was appointed the first warden of the Eastern District.

He opposed the Rebellion Losses Bill of 1849 and lobbied to ensure that the old Eastern District remained intact in 1849 as the United Counties of Stormont, Dundas and Glengarry.

Fraser married Ann Macdonell (1797-1861), daughter of Archibald Macdonell of Leek (c.1741-1816) who fought with the King's Royal Regiment of New York during the American Revolution and served as the first Colonel of the Stormont Militia in 1792.