St. Lawrence Steamboat Company

The St. Lawrence Steamboat Company, commonly known as the Molson Line, was a pioneering force in steam navigation on the St. Lawrence River during the early 19th century. Founded by brewer and entrepreneur John Molson in 1809, the company played a crucial role in revolutionizing transportation between Montreal and Quebec City.

In 1809, John Molson acquired the steamboat Accommodation, marking the advent of steam-powered travel on the St. Lawrence River. By 1818, the company had expanded its fleet to seven vessels, significantly enhancing the efficiency and reliability of passenger and freight services along the river. 

The success of the St. Lawrence Steamboat Company spurred advancements in shipbuilding and navigation technologies, contributing to the economic development of the region. The company’s operations continued until 1863, leaving a lasting impact on Canadian maritime history. 

For those interested in exploring the company’s history further, the McGill University Library holds archival collections related to the St. Lawrence Steamboat Company, offering valuable insights into its operations and contributions to steam navigation. 

The legacy of the St. Lawrence Steamboat Company underscores the transformative power of innovation in transportation, highlighting the pivotal role of steam technology in shaping the economic and social landscapes of 19th-century Canada.

Vessels Owned, Operated or built by

• The Clayton was a wooden-hulled, propeller-driven steamer, representative of mid-19th-century advancements in maritime technology. Propeller steamers offered improved maneuverability and efficiency over traditional paddlewheel designs, making them popular for both passenger and freight services on the Great Lakes.