Robert M Johnston
| Election | Electoral District | Political Party | Votes | Elected |
|---|---|---|---|---|
| ON (Oct 1967) | St. Catharines (ON) | .
Progressive Conservative Party of Ontario | 12235 | Yes |
| ON (Oct 1971) | St. Catharines (ON) | .
Progressive Conservative Party of Ontario | 16074 | Yes |
| ON (Sep 1975) | St. Catharines (ON) | .
Progressive Conservative Party of Ontario | 10064 | Yes |
Candidacy notes
Candidate's Parties
| Political Party | Candidacies |
|---|---|
.
Progressive Conservative Party of Ontario | 3 |