Have you looked in the respective City Directories for Fort Wiliam and Port Arthur for entries for this man and the other photographers whom you are researching? The directories and the phone books would have listings for these photographers as long as they were in business. If you cannot look these up yourself, perhaps a volunteer listed with Random Acts of Genealogical Kindness would be able to do so for you.
The site's address is
http://www.raogk.org/bcolumbia.htm