Ottawa Car Company was a builder of streetcars for the Canadian market and was founded in Ottawa, Ontario, in 1891. It was renamed Ottawa Car Manufacturing Company in 1917 and again as Ottawa Car and Aircraft Limited in 1937.
The company ceased operations in 1947 as streetcars were being abandoned by cities across North America. The city of Ottawa abandoned its own streetcar network in 1959.

Marieville depot, Marieville, Quebec, Canada - July 03, 1954 - Express motor #502 was built ca. 1924, of wood construction on Taylor trucks. Its seen here at the Marieville depot, which appeared to also serve as housing for the operator/agent on the second-floor. M&SC was originally a GTW property.

M&SC house track, Marieville, Quebec, Canada - July 03, 1954 - A close-up of the M&SC Express Motors. John rode the line as part of a July 4th weekend getaway to Quebec.

M&SC main, Marieville, Quebec, Canada - July 03, 1954 - #602 does a run-by after stopping to discharge passengers at the depot, hidden in the background. Marieville was the southern terminus for the trolley operation at this time.

M&SC main, Marieville, Quebec, Canada - July 03, 1954 - By the time of this photo, Marieville was the southern terminus for all trolley operations on the M&SC. Here, #602 and #502 are seen at the platform. John rode in on the #502, part of a July 4 weekend railfan trip to Quebec and the Montreal environs.
LINK: For more great pics visit John Dziobko's website
GodfatherRails.com