[1] The company was founded after Massey whom opened his Dentonia Park farm in 1897 to raised a herd of dairy cattle.
[4] Once Massey embarked on being a commercial operation in 1901, the milk from these cows was sent to a dairy plant at 487 and 563 Spadina Crescent, later known as the Borden Buildings.
City Dairy was one of 15 dairies to supply milk to Toronto residents, one of the closest to the city and noted for the use of pasteurization (1903) to rid of deadly food born disease that plagued 19th Century Toronto.
In 1913 City Dairy was one of 15 dairies in Toronto:[8] Walker, Richardson, Briar Hill and Acme where located near each other and commemorated by the City of Toronto with renamed roadway called Cream Top Lane.
Other dairy companies that existed before major producers dominated the market were local retailers with some providing delivery by wagons: