Châteauguay County

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Thanks to Helen D'All, the previous co-ordinator for this site, for her inspiration and for some of the information displayed here.

Read an Important Message from the web-master to explain the lack of updates recently.

Small Map of region
Thumbnail Map of Chateauguay County

The Region

  A Glimpse of the Past

The County of Châteauguay is located in the southwest corner of the Province of Québec, Canada, south of the City of Montreal. It was created in 1855 by merging the old Seigniory of Châteauguay with the southeast portion of the old Seigniory of Beauharnois. Included within its boundaries were the Towns (Villages) of Châteauguay, Ste-Martine, Ormstown (then known as Durham), and Howick and the parishes of St-Antoine Abbé, Ste-Martine, St-Joachim, St-Philomène, St-Jean Chrysostome, St-Malachie, Ste-Clotilde and St-Urbain-Premier. The parishes of Très-St-Sacrement and St-Paul de Châteauguay were created later from parts of the parishes of Ste-Martine, St-Jean Chrysostome and St-Malachie d'Ormstown. [more]

In the early 1980s, the counties in Quebec were reorganized into the new "MRCs" (Municipalité Régionale de Comté or Regional Municipal County in english). The old Châteauguay County was divided up and the parts added to four newly created MRCs. These are MRC du Haut-St-Laurent (Ormstown/St-Malachie, Howick/Très-St-Sacrement, and St-Chrysostome), MRC de Beauharnois-Salaberry (Ste-Martine/St-Paul de Châteauguay and St-Urbain-Premier), MRC de Roussillon (Mercier/St-Philomène and Châteauguay/St-Joachim) and MRC Les Jardins de Napierville (Ste-Clotilde).

A Window on Today

Today the area covering the old County of Chateauguay is a mix of suburban residential and rural agricultural. The northern portion including the bustling Towns of Chateauguay and Mercier (Sainte-Philomène) are virtual 'bedroom' communities of Montreal. The Châteauguay River Valley is one of the most fertile agricultural regions in Quebec. It supports a wide range of farming activities including market gardening, vegetable, dairy and grain farming. Small, light industrial operations and a promising tourism industry round out the modern activities in the region. More

For some photographic views of the Chateauguay Valley, see:
Phil Norton's Photo Gallery.

The Genealogical Resources

Cemetery Lists      

Information on the cemeteries in the County of Châteauguay.

Information on cemeteries in the neighboring Beauharnois County

Chateauguay Valley Historical Society     

General Information about the CVHS and an index of the articles that have appeared in their annual Journal 1968-2007

2012 Events Calender.
Next Event

The CVHS 2012 Journal is now available.

The 2006, 2005, 2004, 2003 and 2002 Journals as well as all earlier editions are also available from the Society Publications Dept. See the cumulative index for details on contents.

Notary Files and other legal documents.

Notaries are contract lawyers in the old french civil law system used in Quebec. They drew up and executed the deeds of sale, wills, estate settlements, marriage contracts, etc., that are so important to genealogists and other history researchers.

  • The Ellice Family Fonds Surname Index      This is a surname index to the massive collection of papers associated with the Seigniory of Beauharnois that appear on a set of microfilms at the Archives Nationales de Quebec. A valuable source of information on the land transactions in the Seigniory during the period 1796-1880.

  • Deeds of Concession      from the Seigniory of Beauharnois drawn up by notary Louis Sarault of Beauharnois during the period 1822 - 1832. A large list contributed by Gina Smith, indexed by region and concession. Also contains a sample of the text from such a Deed of Concession.

  • Chateauguay Valley Land and Notary Records      Although mostly records pertaining to the neighbouring Huntingdon County, it contains many notary records from the Southwestern end of Chateauguay County. Note: This list is on the Huntingdon Co GenWeb Site - Use your browser 'BACK' button to return to this page.

  • Cadastres Abrégés des Seigneuries      is an official list of the land "owners" in the seigniories of Quebec in 1854 when the seigniories were abolished by law. Over 4600 entries from the Seigniories of Beauharnois and Châteauguay have been transcribed into a database and converted to web pages. Check it out. Note: it only contains the names of "owners" who were leasing their land under the old seigneurial rent system. Owners who had purchased their land outright from the Seigneurie (after 1834 in the case of the Seigneurie de Beauharnois) are not included.

  • Seigniory of Beauharnois Rent Books 1904-1940      These books list all the lots that were still subject to seigniorial rents during this period. They are listed under the same reference number as the Cadastres Abrégés but have the updated owner's names and the old seigniorial lot numbers. These books have been transcribed but will not be put on line until I can obtain the new cadastral lot information. In the meantime a lookup is available. When requesting a lookup, if possible please indicate the Cadastre reference number or seigniorial region/concession/lot number of the lot desired. These can be found in the Cadastres Abrégés web pages.

  • Militia Paylists 1838      Another important source from Gina Smith. A list of the members of the Beauharnois Militia Battalion during the "troubles" of 1838. Paylists from the Beauharnois Battalion companies and the Chateauguay (Basin) company are available. A similar list is also available for the Huntingdon Militia Battalion on the Huntingdon GenWeb site.

  • Original Settlers on First Concession, Ormstown      A list of names found on a pre 1812 map of the Ormstown region of the Seigniory of Beauharnois.

  • Thomas Elliott's Account Book       A recently discovered Accounts Ledger used in a general store in Chateauguay Basin from 1858-1910. The names of many of the inhabitants of Chateauguay Basin and the adjoining Kahnawake Indian Reserve used credit at this store and had their names entered in the ledger book. Many family relationships and alternate names (dit names and nicknames) are shown.


Extracts from The New Dominion published in Ormstown. Thanks to Gina Smith.

Huntingdon Gleaner extracts from the Huntingdon GenWeb site.

Placenames of South West Quebec

Old and new place and feature names within the South West corner of Quebec identified and located.


Interesting and informative links with sites dedicated to the Genealogy, History and People of Québec as well as other genealogical links of interest.

Featured Links

  • Southwestern Quebec Genealogical Resources - This site contains the very useful "Chateauguay Valley Protestant Church Records Database" with more than 56,000 birth, marriage and death records transcribed from microfilmed court records that each church had to submit annually to the district court. This should be your first stop for proof of existance of your protestant ancestors in the Valley. Now containing many death records to 1940 and some to 1976. The site also contains many other lists of information, old pictures, newspaper indices, etc.

  • Transcriptions of the Chateauguay County 1901 Census and 1911 Census are now on-line.

  • Bibliotheque et Archives Nationales du Quebec have a website that lists the available resources in the ANQ Montreal Center.

Surname List

Sorry, the Surname List is no longer available. Check for the reasons.


Have you read a really good book on the County of Châteauguay, its people and its history? Email the title, author and a brief description and we will post the information here.

   Mailing Addresses

Addresses and telephone numbers for genealogical societies, family history societies and more.

Lookup Volunteers

Your fellow researchers out there need your help! If you have resources at your disposal, please send us a list of the material you are willing to consult on behalf of others and we will post it here along with your email address.


Have you hit the proverbial brick wall with your research in Châteauguay County? Here are some resources to help answer your questions.


Miscellaneous bits of information that don't fit anywhere else.

  • Conversion factors for old measurement terms that may have been used in the Chateauguay Valley.

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