St Catharines and Thorold Chain Grocery/Supermarket Locations, 1925-2019

This is a list of all chain grocery locations my research has uncovered in St Catharines and Thorold between 1925 and 2019, compiled from city directories, telephone books, and other sources. There may be some omissions due to incomplete or missing data, etc. and I welcome suggestions and corrections. Please read about my methodology for more information about what I do and do not include.

View and download a copy of this location spreadsheet via Google Sheets.


  • Like many cities in Southern Ontario, St Catharines had a Vernon city directory, which means that there is no classified business directory between 1970 and 1990, so there may be missing chains during these years.
  • I am not 100% certain that the listings for Thorold between about 1940 and 1980 are complete. It is unclear how reliable the coverage was for those years.
  • There’s no evidence that any of the Carroll’s stores in St Catharines made the transition to Grand Union and Steinberg/Miracle Food Mart.

Store tags:

  • A&P
  • Carroll’s
  • Commisso’s
  • Dominion
  • Food City
  • IGA
  • Loblaws/No Frills/Zehrs
  • Red & White
  • Sobeys
  • Miracle Food Mart
Updated on 26 November 2022

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