| Election | Political Party | Elected | Votes | Magnitude |
|---|
| Federal (October 14th, 2008) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Gary Ralph Schellenberger | 20765 | 1 |
| Federal (October 14th, 1935) | .
Liberal Party of Canada/Parti libéral du Canada | Frederick George Sanderson | 12766 | 1 |
| Federal (March 26th, 1940) | .
Liberal Party of Canada/Parti libéral du Canada | Frederick George Sanderson | 12926 | 1 |
| Federal (June 11th, 1945) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Albert James Bradshaw | 10961 | 1 |
| Federal (June 27th, 1949) | .
Liberal Party of Canada/Parti libéral du Canada | James Neilson Corry | 10901 | 1 |
| Federal (August 10th, 1953) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | J Waldo Monteith | 12959 | 1 |
| Federal (June 10th, 1957) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | J Waldo Monteith | 16663 | 1 |
| Federal (March 31st, 1958) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | J Waldo Monteith | 18295 | 1 |
| Federal (June 18th, 1962) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | J Waldo Monteith | 15108 | 1 |
| Federal (April 8th, 1963) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | J Waldo Monteith | 15328 | 1 |
| Federal (November 8th, 1965) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | J Waldo Monteith | 13558 | 1 |
| Federal (June 25th, 1968) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | J Waldo Monteith | 14959 | 1 |
| Federal (May 22nd, 1979) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | William Herbert Jarvis | 19019 | 1 |
| Federal (February 18th, 1980) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | William Herbert Jarvis | 15172 | 1 |
| Federal (September 4th, 1984) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | A.H. Harry Brightwell | 19186 | 1 |
| Federal (November 21st, 1988) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | A.H. Harry Brightwell | 17974 | 1 |
| Federal (October 25th, 1993) | .
Liberal Party of Canada/Parti libéral du Canada | John Alexander Richardson | 20125 | 1 |
| Federal (June 28th, 2004) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Gary Ralph Schellenberger | 18879 | 1 |
| Federal (January 23rd, 2006) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Gary Ralph Schellenberger | 22004 | 1 |
| Federal (May 2nd, 2011) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Gary Ralph Schellenberger | 25281 | 1 |
Perth--Wellington--Waterloo (Ontario)