Lower Canada Census, 1831 at FamilySearch

FamilySearch have added Canada, Lower Canada Census, 1831, indexed, right behind those for 1842. There are 91,908 records linked to 7,416 images which you can also browse.

The counties/districts included are: Beauce, Beauharnois, Bellechasse, Berthier,
Bonaventure, Champlain, Deux Montagnes, Dorchester, Drummond, Gaspe, Kamouraska, L'Acadie, L'Assomption, L'Islet, Lachenaie, Laprairie, Lotbiniere, Megantic, Missisquoi, Montmorency, Nicolet, Orleans, Portneuf, Quebec, Richelieu, Rimouski, Rouville, Saguenay, Shefford, Sherbrooke, St. Hyacinthe, St. Maurice, Terrebonne, Vaudreuil, Vercheres, Yamaska

While names of French origin predominate family historian of British origin shouldn't entirely overlook this source. There are, with variants, 225 Smiths, 130 Browns, 103 M(a)cDonaldses, 72 Joneses and even 43 Reids in this database.