Thomas Hiram Preston
| Election | Electoral District | Political Party | Votes | Elected |
|---|---|---|---|---|
| CAN (Sep 1911) | Brantford | .
Liberal Party of Canada/Parti libéral du Canada | 2440 | No |
| ON (May 1902) | Brant South (ON) | .
Ontario Liberal Party | 2727 | Yes |
| ON (Jan 1905) | Brant South (ON) | .
Ontario Liberal Party | 3091 | Yes |
Candidacy notes
Candidate's Parties
| Political Party | Candidacies |
|---|---|
.
Liberal Party of Canada/Parti libéral du Canada | 1 |
.
Ontario Liberal Party | 2 |