# Perth South (provincial electoral district)

Perth South was an electoral riding in Ontario, Canada. It was created in 1867 at the time of confederation and was abolished in 1933 before the 1934 election.

## Members of Provincial Parliament

Perth South :
| Assembly | Years | Member | Party |
| 1st | 1867–1871 | James Trow | Liberal |
| 2nd | 1871–1874 | Thomas B. Guest | Conservative |
| 3rd | 1875–1879 | Thomas Ballantyne | Liberal |
| 4th | 1879–1883 | Thomas Ballantyne | Liberal |
| 5th | 1883–1886 | Thomas Ballantyne | Liberal |
| 6th | 1886–1890 | Thomas Ballantyne | Liberal |
| 7th | 1890–1894 | Thomas Ballantyne | Liberal |
| 8th | 1894–1898 | John McNeill | Liberal-Patron |
| 9th | 1898–1899 | William Caven Moscrip | Liberal |
| 9th | 1899–1902 | Samuel Nelson Monteith | Conservative |
| 10th | 1902–1904 | Valentine Stock | Liberal |
| 11th | 1905–1908 | Samuel Nelson Monteith | Conservative |
| 12th | 1908–1911 | Valentine Stock | Liberal |
| 13th | 1911–1914 | John Bennewies | Conservative |
| 14th | 1914–1919 | John Bennewies | Conservative |
| 15th | 1919–1923 | Peter Smith | United Farmers |
| 16th | 1923–1926 | McCausland Irvine | Conservative |
| 17th | 1926–1929 | Albert Alexander Colquhoun | Liberal |
| 18th | 1929–1930 | David Bonis | Conservative |
| 18th | 1930–1934 | Charles Edward Richardson | Conservative |
| Sourced from the Ontario Legislative Assembly |||||
| Merged into Perth before 1934 election |||||

## Election results

vte1867 Ontario general election :
| Party | Candidate | Votes | % |
| | Liberal | James Trow | 1,552 | 56.56 |
| | Conservative | J.A. Donovan | 1,192 | 43.44 |
| Total valid votes | Total valid votes | Total valid votes | 2,744 | 80.16 |
| Eligible voters | Eligible voters | Eligible voters | 3,423 |
| | Liberal pickup new district. | Liberal pickup new district. | Liberal pickup new district. | Liberal pickup new district. | Liberal pickup new district. | Liberal pickup new district. | Liberal pickup new district. |
| Source: Elections Ontario |||||||
vte1871 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Conservative | Thomas B. Guest | 1,302 | 50.60 | +7.16 |
| | Liberal | James Trow | 1,271 | 49.40 | −7.16 |
| Turnout | Turnout | Turnout | 2,573 | 71.99 | −8.17 |
| Eligible voters | Eligible voters | Eligible voters | 3,574 |
| | Conservative gain from Liberal | Conservative gain from Liberal | Swing | Swing | +7.16 |
| Source: Elections Ontario |||||||
vte1875 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Liberal | Thomas Ballantyne | 1,508 | 53.23 | +3.83 |
| | Conservative | G. Leversage | 1,325 | 46.77 | −3.83 |
| Total valid votes | Total valid votes | Total valid votes | 2,833 | 70.98 | −1.01 |
| Eligible voters | Eligible voters | Eligible voters | 3,991 |
| | Liberal gain from Conservative | Liberal gain from Conservative | Swing | Swing | +3.83 |
| Source: Elections Ontario |||||||
vte1879 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Liberal | Thomas Ballantyne | 1,759 | 55.00 | +1.77 |
| | Conservative | Mr. Brunner | 1,439 | 45.00 | −1.77 |
| Total valid votes | Total valid votes | Total valid votes | 3,198 | 65.67 | −5.32 |
| Eligible voters | Eligible voters | Eligible voters | 4,870 |
| | Liberal hold | Liberal hold | Swing | Swing | +1.77 |
| Source: Elections Ontario |||||||