| Election | Political Party | Elected | Votes | Magnitude |
|---|
| Federal (August 7th, 1867) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | George IRVINE | 1000 | 1 |
| Federal (July 20th, 1872) | .
Liberal Party of Canada/Parti libéral du Canada | Édouard-Émery Richard | 975 | 1 |
| Federal (January 22nd, 1874) | .
Liberal Party of Canada/Parti libéral du Canada | Édouard-Émery Richard | 1003 | 1 |
| Federal (September 17th, 1878) | .
Liberal Party of Canada/Parti libéral du Canada | Louis-Éphrem Olivier | 1191 | 1 |
| Federal (June 20th, 1882) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Louis Israel Fréchette | 1204 | 1 |
| Federal (February 22nd, 1887) | .
Liberal Party of Canada/Parti libéral du Canada | George Turcot | 1471 | 1 |
| Federal (March 5th, 1891) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Louis-Israël Côté | 1658 | 1 |
| Federal (June 23rd, 1896) | .
Liberal Party of Canada/Parti libéral du Canada | George Turcot | 2064 | 1 |
| Federal (November 7th, 1900) | .
Liberal Party of Canada/Parti libéral du Canada | George Turcot | 2204 | 1 |
| Federal (November 3rd, 1904) | .
Liberal Party of Canada/Parti libéral du Canada | François Théodore Savoie | 2453 | 1 |
| Federal (October 26th, 1908) | .
Liberal Party of Canada/Parti libéral du Canada | François Théodore Savoie | 2800 | 1 |
| Federal (September 21st, 1911) | .
Liberal Party of Canada/Parti libéral du Canada | Lucien Turcotte Pacaud | 2986 | 1 |
| Federal (December 17th, 1917) | .
Opposition (Laurier Liberals) | Lucien Turcotte Pacaud | 0 | 1 |
| Federal (December 6th, 1921) | .
Liberal Party of Canada/Parti libéral du Canada | Lucien Turcotte Pacaud | 8715 | 1 |
| Federal (October 29th, 1925) | .
Liberal Party of Canada/Parti libéral du Canada | Eusèbe Roberge | 6929 | 1 |
| Federal (September 14th, 1926) | .
Liberal Party of Canada/Parti libéral du Canada | Eusèbe Roberge | 6483 | 1 |
| Federal (July 28th, 1930) | .
Liberal Party of Canada/Parti libéral du Canada | Eusèbe Roberge | 7609 | 1 |
| Federal (June 27th, 1949) | .
Liberal Party of Canada/Parti libéral du Canada | Joseph LAFONTAINE | 13273 | 1 |
| Federal (August 10th, 1953) | .
Liberal Party of Canada/Parti libéral du Canada | Joseph LAFONTAINE | 13951 | 1 |
| Federal (June 10th, 1957) | .
Liberal Party of Canada/Parti libéral du Canada | Joseph LAFONTAINE | 15378 | 1 |
| Federal (March 31st, 1958) | .
Liberal Party of Canada/Parti libéral du Canada | Gabriel Roberge | 13486 | 1 |
| Federal (June 18th, 1962) | .
Social Credit Party of Canada | Raymond Langlois | 15395 | 1 |
| Federal (April 8th, 1963) | .
Social Credit Party of Canada | Raymond Langlois | 11329 | 1 |
| Federal (November 8th, 1965) | .
Ralliement Créditiste | Raymond Langlois | 11195 | 1 |
| Federal (May 22nd, 1979) | .
Liberal Party of Canada/Parti libéral du Canada | Claude Tessier | 19309 | 1 |
| Federal (February 18th, 1980) | .
Liberal Party of Canada/Parti libéral du Canada | Claude Tessier | 21562 | 1 |
| Federal (September 4th, 1984) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | François Gérin | 25679 | 1 |
| Federal (November 21st, 1988) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | François Gérin | 23246 | 1 |
Mégantic (Quebec)