Hi, If you are searching for Charles Henry GARDNER - in London Ontario.
Search of City Directories for the time frame - location and surrounding area -for Charles Henry GARDNER may prove helpful.
Henersons/ or Wigleys - or whatever were in use at the time
these are Criss Cross Directories:
Show - Name to address - Address to name.
Some show place of employment - some may show all persons living at a particular address.
Some Public Libraries - will hold these directories - on microfilm - or perhaps still in hard copy [love those]