It was created for the first Parliament in 1841 and was based on the previous electoral district of the same name for the Legislative Assembly of Lower Canada.

The electoral district was abolished in 1867, upon the creation of Canada and the province of Quebec.

Beauharnois was a single-member constituency, represented by one member in the Legislative Assembly.

[8] It was succeeded by electoral districts of the same name and boundaries in the House of Commons of Canada[9] and the Legislative Assembly of Quebec.

[10] This article incorporates text from this source, which is in the public domain: Statutes of Lower Canada, 13th Provincial Parliament, 2nd Session (1829), c. 74