William Tuff Whiteway was an architect, originally from Newfoundland. He worked in several parts of North America, including Newfoundland, Nova Scotia, British Columbia (particularly Vancouver), San Francisco, and Port Townsend, Washington.
Further information is in progress.
William Tuff Whiteway, Wikipedia article, https://en.wikipedia.org/wiki/William_Tuff_Whiteway
Hill, Robert G. “Whiteway, William Tuff”. Biographical Dictionary of Architects in Canada 1800-1950;