There are several burials with the surname Hogg in Fairview Cemetery in Niagara Falls. These persons may or may not be the descendants you are looking for. Digital photos of their stone can be viewed at:
http://www.city.niagarafalls.on.ca/city_hall/departments/par...

Type in just the surname Hogg in the search box for the complete list. Some names that will come up are: Alexander Cairns Hogg, Charles Glasgow Hogg, Edward James Hogg, William M. Hogg. Their births are in the 1890-1910 range. There are photos to view for these and at least 2 more burials with no photos.

Also FYI, the 1911 census for Welland County is now 99.93% completed.