July 3, 2022
Heintzman and Company was founded in 1866 to produce pianos in a facility located in The Junction area of Toronto. It was started by Theodore Heintzman who was a German immigrant while his nephew started a rival company called Gerhard Heintzman Piano Company. When Theodore died in 1899 his son George took over running the business. The piano manufacturing business was moved to Hanover, Ontario in 1962. The company changed its name to Heintzman Limited in 1978 and then was sold to Sklar Peppler in 1981. This ownership only lasted until 1987 when it was sold to The Music Stand Company of Ontario who started to apply the name Heintzman to various pianos manufactured in the United States. The Heintzman name is still used by a Chinese and Canadian company called Heintzman Distributors and they supplied the grand piano that was used in the opening ceremonies for the Beijing Olympics in 2008. The archive photo below shows the Heintzman and Company piano factory when it was located in The Junction area in the west part of Toronto near Keele and Dundas Street.
Lot 32 in Markham township fronted onto Yonge Street and covered the 190 acres between there and today’s Bayview Avenue. It was originally allocated to Anthony Hollingshead in 1798. Anthony had been a United Empire Loyalist having served in the American Revolutionary War as an officer. One of the conditions of earning the patent, or deed, for a property was the construction of a home that was a minimum of 16 feet by 20 feet in size. Hollingshead built a small story and a half home of adobe, or mudbrick and received the patent in 1802. This home was recorded as the first adobe home built in Upper Canada. The map below is from the 1877 county atlas and shows the property in the hands of the Lemon family and the house is circled in green.
The property changed hands many times and the house has had several additions and renovations over the past 200 years. Anthony Hollingshead died in 1817 and the property was sold to George Crookshank. Anthony’s granddaughter, Elizabeth Soules, was married to Samuel Lount who was one of two people executed following the failed Rebellion of 1837. Samuel Lount is buried in The Necropolis in Toronto.
George Crookshank was a close friend of Lieutenant-Governor John Graves Simcoe and was a wealthy businessman and member of the early government of Upper Canada. During the War of 1812 he was in charge of supplies to Fort York and after the war he bought several properties in the area. He married Susan Lambert in 1821 and then built a 13-room mansion on the site of Holligshead’s farmhouse. It was at this time that the property began to be called Sunnyside Farm.
In 1881 the farm was sold to John Francis Newtonbrook. His family farmed the land for almost 50 years including the period that their son Samuel owned Sunnyside Manor.
Charles and Marion Heintzman, owners of the piano company, bought the house in 1930. They made extensive renovations to it including adding a conservatory. A small greenhouse was added to the north end of the building.
The house was the scene of many social gatherings over the years that the Heintzmans owned it. They continued to operate it as a farm where they raised prized Jersey cattle. When Charles died in 1959 the property was sold to developers who started to build the homes that enclose the house on every side. The Town of Markham was persuaded by local residents to preserve the manor and it was renamed Heintzman House in honour of the last private family that owned it.
A unique planter stands on the front lawn and pays tribute to the piano manufacturers who completed the last set of expansions and renovations on the home.
The fields surrounding Heintzman House may have been developed for housing but the home is now used as an event venue.
Google Maps Link: Heintzman House
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