Sure it is in the vein of all the others, but what the heck. Please specify majority or minority government and remember that minorities are the exception not the rule. The POD comes in 1960 during Dief's (could be first, could be only) majority, subsequent election dates are not set in stone, they are just the OTL election dates and can be changed. And for continuity, I'll spot us the last three elections before 1960.
1952: Louis St. Laurent (LPC) (majority)
1957: John Diefenbaker (PC) (minority)
1958: John Diefenbaker (PC) (majority)
1962:
1963:
1965:
1968:
1972:
1974:
1979:
1980:
1984:
1988:
1993:
1997:
2000:
2004:
2006:
2008:
2012:
2016:
2020:
1952: Louis St. Laurent (LPC) (majority)
1957: John Diefenbaker (PC) (minority)
1958: John Diefenbaker (PC) (majority)
1962:
1963:
1965:
1968:
1972:
1974:
1979:
1980:
1984:
1988:
1993:
1997:
2000:
2004:
2006:
2008:
2012:
2016:
2020: