Architecture of Ontario See Also 1897Architecture of Ontariocity hallsEvan MacDonaldSt. Thomas Random Building 2010 – Durham Consolidated Courthouse, Oshawa, Ontario 1897 – City Hall, St. Thomas, Ontario Home / Buildings / Architecture of Canada / Architecture of Ontario / 1897 – City Hall, St. Thomas, Ontario Architect: Evan MacDonald TweetEmail Latest Additions 1862 – House of Retreat, Inchicore, Dublin 1874 – Blessingbourne House, Fivemiletown, Co. Tyrone 1789 – Unbuilt Design for a Villa, Cork 1790s – Design for Coole House, Gort, Co. Galway 1790 – Design for Casino at Lough Cutra, Gort, Co. Galway