Thomas Kerr Slack
| Election | Electoral District | Political Party | Votes | Elected |
|---|---|---|---|---|
| ON (Oct 1929) | Dufferin | .
Progressive Party of Ontario | 3778 | Yes |
| ON (Dec 1926) | Dufferin | .
Progressive Party of Ontario | 4478 | Yes |
| ON (Jun 1923) | Dufferin | .
United Farmers of Ontario | 3675 | No |
| ON (Oct 1919) | Dufferin | .
United Farmers of Ontario | 4117 | Yes |
Candidacy notes
Candidate's Parties
| Political Party | Candidacies |
|---|---|
.
Progressive Party of Ontario | 2 |
.
United Farmers of Ontario | 2 |