 |
| Canadian federal by-election, May 31, 1971: Chambly On Mr. Pilon's death, 17 November 1970. | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | ||||
| Liberal | Yvon L'Heureux | 16,243 | 66.57 | +0.25 | ||||
| New Democratic | Emile Boudreau | 5,138 | 21.06 | +11.17 | ||||
| Progressive Conservative | Léopold Hamel | 1,573 | 6.45 | -13.18 | ||||
| Independent | Jean-Margaret McGlynn | 1,049 | 4.30 | – | ||||
| Republican | Claude Longtin | 396 | 1.62 | – | ||||
| Total valid votes | 24,399 | 100.00 | ||||||