Hi - Do you know what church Cora V.C. SPENCE What church W.R. McFARLANE attended
Married in Lethbridge or ? Alberta.
There may be church records.
Provincial Archive in Edmonton - may hold some records there was a small fee [years ago]
Registration of Marriage -/ Long form Marriage Certificate - shows all personal information required at the time - includes occupation - names of both sets of parents and maiden names of mothers. From Govt of Alberta - Vital Statistics Registry office - they will search a few years either side of a given time - The fee - was $40 Cndn.
If married in Lethbridge Alberta - there may have been an announcement in the Local Newspaper - or perhaps a story in the social pages of the newspaper.
Do you know what the initials V.C. in Cora's given name - stand for
Do you know the Full name of W.R. McFARLANE?
Is it possible that Cora Went back to Ontario to be married ?
Have you searched 1921 Canada Census?