The
riding of
Laprairie was created by the
British North America Act 1867. It consisted of the parishes of
Laprairie,
Saint-Philippe,
Saint Jacques le Mineur,
Saint Isidore and
Saint Constant, the Indian Lands of
Sault Saint Louis, and all islands in the River Saint Lawrence close to the county. It was abolished in 1892 when it was redistributed into the
Châteauguay and
Laprairie—Napierville electoral districts. The riding was re-created in 1966 from
Beauharnois—Salaberry and
Châteauguay—Huntingdon—Laprairie ridings. It consisted of: • the City of Saint-Lambert; • the Towns of Brossard, Candiac, Châteauguay, Châteauguay-Centre, Châteauguay Heights, Delson, Greenfield Park, La Prairie, LeMoyne, Léry and Préville; and • in the County of Laprairie: the parish municipalities of Saint-Constant and Sainte-Catherine-d'Alexandrie-de-Laprairie; and the Indian Reserve of Caughnawaga No. 14. In 1976, it was redefined to consist of: • the City of Saint-Lambert; • the Towns of Brossard, Candiac, Greenfield Park, La Prairie and LeMoyne; and • in the county of Laprairie: the municipality of Notre-Dame. In 1980, it was renamed
La Prairie. In 1987, it was redefined to consist of the towns of Brossard, Candiac, La Prairie et Saint-Lambert. The riding was abolished in 1996 when it was abolished into
Brossard—La Prairie and
Saint-Lambert. This riding was re-created during the
2012 electoral redistribution from parts of
Châteauguay—Saint-Constant and
Brossard—La Prairie. Following the
2022 federal electoral redistribution the riding was renamed
La Prairie—Atateken. It gained a small piece of territory north of Autoroute 30 in Saint-Isidore and a small piece of territory near Ch. St-Bernard in Châteauguay from
Châteauguay—Lacolle. ==Profile==