This doesn't answer your question, but....
Here’s your Godfrey, no conflicting information.
Godfrey Case b 1812 Quebec (following from Ancestry.com.)
1861 living in Welland Canada
1865 living in Wainfleet, Welland Ont.
1871 age 59 living in Sherbrooke Monct Ont
1881 living in Hamilton City Ont
1883 Death, June Hamilton Ont age 71.
Spouse, Margaret Pew b 1819 d 1896
Mary A Case 5 Aug 15 Nov 1842 1925 Welland, Ont
Married William Edward Leeder 1834 d 1919
William Marshal Case 13 Aug 842 Toronto, 13 Nov 1902, Welland
Married Eleanor Chambers 1853 1940
Margaret Case b 1847 No further record.
Agnes E. Case Apr 1854 Marshvilel, Ont 22 Jul 1918 Hamilton
Married John Wilson Yokom 1839 1910.
There were a large number of Cases living in New England before the Revolution, its certainly possible some of them , as Royalists, migrated to Canada during or after the war. Godfrey could well have been a descendant of one of these. WikiTree doesn’t have any Cases listed as residents of Canada before Godfrey.
I see I'm a month or two late in this answer. Mia Culpa.