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George Sleeman

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Adapted from the English Wikipedia article George Sleeman, available under CC BY-SA 4.0Updated 11 August 2025
George Sleeman
Guelph Maple Leafs team circa 1900
Sleeman pictured in the back row wearing a hat
BornTemplate:Birth date
Died (1926-12-16) December 16, 1926 (age 99)
Guelph, Ontario, Canada
OccupationBrewer
EmployerSilver Creek Brewery
Known forGuelph Maple Leafs
Template:Infobox baseball biography

George Sleeman (August 1, 1841 – December 16, 1926) was a notable brewer, influential figure in Canadian baseball, and political leader in Ontario, Canada. He held the office of mayor in Guelph during two periods: from 1880 to 1882 and later from 1905 to 1906. His leadership extended to presiding over the Guelph Rifle Association for two decades, as well as heading the Guelph Turf Club, the Guelph Bicycle Club, and serving a four-year term as president of the Ontario Brewing and Malting Association. Additionally, he was instrumental in establishing the Royal City Curling Club. His brewery supported the amateur Silver Creek baseball team through sponsorship.

Early years

Born to English immigrant John H. Sleeman and Ann M. Burrows in St. David's (present-day Niagara-on-the-Lake), George received his education locally and later in Guelph. The family moved to Guelph in 1857. By 1859, he had assumed the role of general manager at his father’s Silver Creek Brewery; he became a partner six years later and took over full ownership when his father retired in 1867. In 1900, he formalized his business under the name Sleeman Brewing and Malting Company. The Sleeman family played a pivotal role in shaping the Canadian beer industry.

In 1863, George married Sarah Hill. The couple lived in Guelph before relocating to a gothic-style mansion constructed specifically for them near what is now Silver Creek Parkway, completed in 1891.

His political career began in 1876 as a town councillor; he advanced to Deputy Reeve in 1877 and was elected as Guelph’s inaugural mayor following its elevation to city status in 1880. Over time, he served a total of four terms as mayor.

Prominent brewer

By the year 1890, the Silver Creek Brewery under Sleeman’s management operated fifteen retail outlets throughout Ontario and Quebec. In 1894, he established the Guelph Street Railway Company, making significant investments into this electric streetcar project. Financial difficulties emerged by 1902, resulting in banks seizing his residence, railway assets, and brewery operations. Despite this setback, his railway venture laid the foundation for the Radial Railway Company that later expanded transit services within the region. In response, Sleeman launched a competing brewery named Springbank in 1903 and successfully reacquired his original brewery a year afterward.

He stepped away from active involvement in the family business in 1905 and passed away at age 85 in Guelph in 1926. After acquisition by Jockey Club Brewery in 1933, production under the Sleeman label ceased by 1939.

The brand experienced a revival in 1985 when his great-grandson John Warren Sleeman reestablished Sleeman Breweries, reintroducing products such as Sleeman’s Cream Ale crafted from authentic family recipes.

Achievements in Canadian baseball

Initially a pitcher for the Guelph Maple Leafs, Sleeman transitioned to become the team's financial supporter and was the pioneer manager to recruit American players, first compensating them through profit sharing before moving to fixed salaries. Serving as president of the Canadian Association of Base Ball Players, he advocated for paid professional play. During his tenure, the Maple Leafs secured the Canadian championship titles in 1869, 1870, and 1871. In 1877, Sleeman played a key role in founding the International Association, aiming to rival the National League.

The entry of teams from Toronto and Hamilton led to financial losses for the Maple Leafs, resulting in their disbandment; however, the team was revived in 1896. For his instrumental contributions to professional baseball in Canada, George Sleeman was honored with induction into the Canadian Baseball Hall of Fame in 1999.