Gordon received " a "Performing and Creative Arts Award, Visual Arts, City of Edmonton" for "outstanding contributions to the cultural life of Edmonton.

A Charter Member (1931) of the Alberta Society of Artists, Gordon Sinclair painted landscapes and occasional portraits, primarily in oils. He was instrumental in the 1939 establishment of the Athabasca Falls camp at Mile 22 of the Jasper - Lake Louise Highway, which was used for nine years by members of the Society. During this time, he produced many expressive mountain paintings. In 1942, Sinclair represented the A.S.A. at the organizational meeting of the Federation of Canadian Artists, forerunner of the Canada Council. He continued as an active member, acting as Vice-President in 1960-61, and for his work for the society was designated a Life Member.

Sinclair was also a member of the Edmonton Art Club. I 

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