Here is a death reg. (attached) for a Henry Waters who died in 1891 in Tuckersmith, Huron Co. Age seems right.
And this is an Ellen Waters who died in Hastings, Ontario - close in age but quite a distance away from your search.
Canada, Deaths and Deaths Overseas, 1869-1947
Name: Ellen Waters
Birth Date: abt 1816
Birth Place: Ireland
Death Date: 30 Sep 1880
Death Place: Hastings, Ontario , Canada
Religion: Roman Catholic
Cause of Death: Cerebral Meningits