Keg Mansion – The Gothic Heritage Home that once Belonged to the Massey Family

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2020 - The Keg Mansion is located at 515 Jarvis St, just north of Wellesley St E in the Upper Jarvis neighbourhood of Toronto
2020 – The Keg Mansion is located at 515 Jarvis St, just north of Wellesley St E in the Upper Jarvis neighbourhood of Toronto

The Keg Mansion is a stately home located at 515 Jarvis St (just north of Wellesley St E on the east side) in the Upper Jarvis neighbourhood of Toronto.

The Architecture of Keg Mansion

Built in 1868 at a cost of approximately $20,000, this Gothic-style mansion was designed by the architects Gundry & Langley for Arthur McMaster, the nephew of William McMaster, who was the founder of the university.

During that period, this section of Jarvis St was known as “Millionaires’ Row,” as it served as a retreat for the city’s upper class to escape the bustling downtown area.

After Arthur McMaster’s passing in 1881, the home was purchased by Hart Massey, a highly successful agricultural equipment manufacturer. The mansion was named Euclid Hall and, at one point, included a greenhouse on its south side. The Massey family also went on to build one of Canada’s most influential entertainment venues, Massey Hall. The last Massey to live in the mansion was Lillian Treble, the only daughter of Hart Massey, who lived in the home until she died in 1915.

The Home After the Masseys

Circa 1912 - The Keg Mansion is located at 515 Jarvis St, just north of Wellesley St E in the Upper Jarvis neighbourhood. The home was once the residence of the Massey family
Circa 1912 – The Keg Mansion is located at 515 Jarvis St, just north of Wellesley St E in the Upper Jarvis neighbourhood. The home was once the residence of the Massey family (City of Toronto Archives, Fonds 1244, Item 3070)

The mansion has served various purposes over the years. By 1918, it became the Military Convalescent Hospital, and from 1922 to 1923, it was known as Euclid Hall Hospital. In 1925, it was transformed into Ryan’s Art Galleries, which remained there for several decades. In 1927, it was also the first home of the CFRB radio station, which is now called Newstalk 1010. During the 1960s, the mansion housed the popular Julie’s Restaurant, with the Bombay Bicycle Club located upstairs.

In 1975, this historic gem was designated a heritage property by the city. In the mid-1970s, the mansion became the home of The Keg Steakhouse + Bar, which continues to operate there today.

Haunted Tales

There are rumours of several ghosts haunting the Keg Mansion. One of these spirits is believed to be the maid of Lillian Massey Treble, who, after Lillian’s death, was so distraught that she hanged herself in the foyer.

Some visitors have reported a female presence in the women’s washroom, where stall doors unlock, and toilets flush on their own. Many have also experienced an eerie feeling, as if someone is watching them. Additionally, there have been sightings of a young boy playing on the staircase, along with sounds of children playing upstairs. Click for more haunted tales.

Keg Mansion Photos

Circa 1920 – Looking northeast towards the Massey-Treble Mansion located at Jarvis St and Wellesley St E in Toronto. Notice the home once had an attached greenhouse
Circa 1920 – Looking northeast towards the Massey-Treble Mansion located at Jarvis St and Wellesley St E in Toronto. Notice the home once had an attached greenhouse (City of Toronto Archives, Fonds 1244, Item 281)
2020 - The Keg Mansion is located at 515 Jarvis St, just north of Wellesley St E in the Upper Jarvis neighbourhood of Toronto. The Gothic-style mansion was built in 1868 for Arthur McMaster (the nephew of William McMaster, who founded the university) and purchased in the 1880s by Hart Massey
2020 – The Keg Mansion is located at 515 Jarvis St, just north of Wellesley St E in the Upper Jarvis neighbourhood of Toronto. The Gothic-style mansion was built in 1868 for Arthur McMaster (the nephew of William McMaster, who founded the university) and purchased in the 1880s by Hart Massey
September 23, 2025 - The Keg Steakhouse + Bar, also referred to as The Keg Mansion, is located at 515 Jarvis Street in Toronto. This historic home was built in 1868 at a cost of approximately $20,000. It was designed by the architects Gundry & Langley for Arthur McMaster
September 23, 2025 – The Keg Steakhouse + Bar, also referred to as The Keg Mansion, is located at 515 Jarvis Street in Toronto. This historic home was built in 1868 at a cost of approximately $20,000. It was designed by the architects Gundry & Langley for Arthur McMaster
2020 - The entrance of the Keg Mansion at 515 Jarvis St in Toronto’s Upper Jarvis neighbourhood
2020 – The entrance of the Keg Mansion at 515 Jarvis St in Toronto’s Upper Jarvis neighbourhood
1972 – Looking northeast towards the corner of Jarvis St and Wellesley St E in the Upper Jarvis neighbourhood
1972 – Looking northeast towards the corner of Jarvis St and Wellesley St E in the Upper Jarvis neighbourhood (City of Toronto Archives, Fonds 2032, Series 841, File 49, Item 25)
2023 - Looking toward the northeast corner of Jarvis St and Wellesley St E in Toronto’s Upper Jarvis neighbourhood. Notice The Keg Mansion behind the convenience store and gas station. The mansion was once the residence of the Massey family
2023 – Looking toward the northeast corner of Jarvis St and Wellesley St E in Toronto’s Upper Jarvis neighbourhood. Notice The Keg Mansion behind the convenience store and gas station. The mansion was once the residence of the Massey family
July 12, 2026 - Looking southeast towards the stately Keg Mansion at 515 Jarvis St in Toronto
July 12, 2026 – Looking southeast towards the stately Keg Mansion at 515 Jarvis St in Toronto
Circa 1912 - Looking east towards what’s known today as The Keg Mansion at 515 Jarvis St, just north of Wellesley St E. The part of Jarvis St was once known as “Millionaires Row” and was where the city’s upper class went to escape the busy downtown
Circa 1912 – Looking east towards what’s known today as The Keg Mansion at 515 Jarvis St, just north of Wellesley St E. The part of Jarvis St was once known as “Millionaires Row” and was where the city’s upper class went to escape the busy downtown (City of Toronto Archives, Fonds 1244, Item 3070)
2023 - Looking southeast toward the Keg Mansion at Jarvis St and Wellesley St E in the Upper Jarvis neighbourhood of Toronto. The stately home was once owned by the Massey family, who built one of Canada’s most influential entertainment venues, Massey Hall
2023 – Looking southeast toward the Keg Mansion at Jarvis St and Wellesley St E in the Upper Jarvis neighbourhood of Toronto. The stately home was once owned by the Massey family, who built one of Canada’s most influential entertainment venues, Massey Hall
2022- Looking northeast toward The Keg Mansion at Jarvis St and Wellesley St E in the Upper Jarvis neighbourhood of Toronto. There are rumours of a few ghosts haunting the stately home. One of those includes a female presence said to be in the women’s washroom unlocking stall doors and flushing toilets
2022- Looking northeast toward The Keg Mansion at Jarvis St and Wellesley St E in the Upper Jarvis neighbourhood of Toronto. There are rumours of a few ghosts haunting the stately home. One of those includes a female presence said to be in the women’s washroom unlocking stall doors and flushing toilets
2020 – Looking north towards Petro-Canada and The Keg Mansion at Jarvis St and Wellesley St E
2020 – Looking north towards Petro-Canada and The Keg Mansion at Jarvis St and Wellesley St E
June 1, 2024 - Looking east from the sidewalk on Jarvis St towards The Key Steakhouse + Bar sign, parking lot and mansion in Toronto
June 1, 2024 – Looking east from the sidewalk on Jarvis St towards The Key Steakhouse + Bar sign, parking lot and mansion in Toronto
February 10, 2024 - Looking northeast toward the Keg Mansion
February 10, 2024 – Looking northeast toward the Keg Mansion from the gas station on Wellesley St E and Jarvis St. The beautiful home, which was built in 1868, has been home to the
2022 - Looking east towards the Keg Mansion at 515 Jarvis St, just north of Wellesley St E in the Upper Jarvis neighbourhood
2022 – Looking east towards the Keg Mansion at 515 Jarvis St, just north of Wellesley St E in the Upper Jarvis neighbourhood
2022 - The Keg Mansion at 515 Jarvis St was previously home to a veterans hospital, an art gallery, CFRB radio station (today’s Newstalk 1010), Julie’s Restaurant and the Bombay Bicycle Club
2022 – The Keg Mansion at 515 Jarvis St was previously home to a veterans hospital, an art gallery, CFRB radio station (today’s Newstalk 1010), Julie’s Restaurant and the Bombay Bicycle Club
2022 - Looking towards the northeast corner of Jarvis St and Wellesley St E. The Keg Mansion stands behind the convenience store and gas station
2022 – Looking towards the northeast corner of Jarvis St and Wellesley St E. The Keg Mansion stands behind the convenience store and gas station
2020 - Looking northeast toward the Keg Mansion at Jarvis St and Wellesley St E in the Upper Jarvis neighbourhood of Toronto. The home was built in 1868 for Arthur McMaster. It was purchased in the early 1880s by Hart Massey, the founder of the agricultural equipment manufacturing company
2020 – Looking northeast toward the Keg Mansion at Jarvis St and Wellesley St E in the Upper Jarvis neighbourhood of Toronto. The home was built in 1868 for Arthur McMaster. It was purchased in the early 1880s by Hart Massey, the founder of the agricultural equipment manufacturing company
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