# Perth South (federal electoral district)

Perth South was a federal electoral district represented in the House of Commons of Canada from 1867 to 1935. It was located in the province of Ontario. It was created by the British North America Act of 1867, which divided the County of Perth into two ridings. The South Riding of the County of Perth initially consisted of the Townships of Blanchard, Downie, South Easthope, Fullarton, Hibbert, and the Villages of Mitchell and St. Marys.
In 1882, the townships of Usborne were added to the riding, and that of South Easthope was excluded. In 1903, Usborne was removed from the riding, and Easthope South and Logan townships were added. In 1914, the part of the village of Tavistock situated in the township of Easthope South was added.
In 1924, Perth South was defined to consist of the part of the county of Perth lying south of and including the townships of Logan, Fullerton and Downie, south of but excluding the city of Stratford, south of but including the township of Easthope South to the east boundary of the said county. That part of Tavistock lying in the township of Easthope South was also included.
The electoral district was abolished in 1933 when it was redistributed between Huron—Perth and Perth ridings.

## Members of Parliament

This riding has elected the following members of Parliament:
| Parliament | Years | Member | Party |
| 1st | 1867–1872 | Robert MacFarlane | Liberal |
| 2nd | 1872–1874 | James Trow | Liberal |
| 3rd | 1874–1878 | James Trow | Liberal |
| 4th | 1878–1882 | James Trow | Liberal |
| 5th | 1882–1887 | James Trow | Liberal |
| 6th | 1887–1891 | James Trow | Liberal |
| 7th | 1891–1892 | James Trow | Liberal |
| 7th | 1892–1896 | William Pridham | Conservative |
| 8th | 1896–1900 | Dilman Kinsey Erb | Liberal |
| 9th | 1900–1904 | Dilman Kinsey Erb | Liberal |
| 10th | 1904–1908 | Gilbert Howard McIntyre | Liberal |
| 11th | 1908–1911 | Gilbert Howard McIntyre | Liberal |
| 12th | 1911–1917 | Michael Steele | Conservative |
| 13th | 1917–1921 | Michael Steele | Government (Unionist) |
| 14th | 1921–1925 | William Forrester | Liberal |
| 15th | 1925–1926 | Fred Sanderson | Liberal |
| 16th | 1926–1930 | Fred Sanderson | Liberal |
| 17th | 1930–1935 | Fred Sanderson | Liberal |
| Riding dissolved into Perth and Huron—Perth |||||

## Election history

1867 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | Robert MacFarlane | 1,490 |
| | Unknown | T. B. Guest | 1,393 |
| Eligible voters | Eligible voters | Eligible voters | 1,393 |
| Source: Canadian Parliamentary Guide, 1871 |||||||
1872 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | James Trow | 1,683 |
| | Unknown | J. Kidd | 1,256 |
1874 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | James Trow | acclaimed |
1878 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | James Trow | 1,796 |
| | Unknown | E. Hornibrook | 1,719 |
1882 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | James Trow | 1,896 |
| | Unknown | Thomas B. Guest | 1,717 |
1887 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | James Trow | 2,224 |
| | Conservative | H. F. Sharp | 2,131 |
1891 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | James Trow | 2,363 |
| | Conservative | H. F. Sharp | 2,186 |
By-election: On election being declared void, 10 March 1892: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Conservative | William Pridham | acclaimed |
1896 Canadian federal election: South Riding of the County of Perth :
| Party | Candidate | Votes |
| Liberal | D. K. Erb | 2,069 |
| Conservative | William Pridham | 1,851 |
| Protestant Protective | J. A. Donald | 551 |
1900 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | Dilman Kinsey Erb | 2,169 |
| | Conservative | William Pridham | 2,160 |
1904 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | Gilbert H. McIntyre | 2,454 |
| | Conservative | Michael Steele | 2,310 |
1908 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Liberal | Gilbert Howard McIntyre | 2,412 |
| | Conservative | Michael Steele | 2,383 |
1911 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Conservative | Michael Steele | 2,303 |
| | Liberal | Gilbert Howard McIntyre | 2,221 |
1917 Canadian federal election: South Riding of the County of Perth :
| Party | Party | Candidate | Votes |
| | Government | Michael Steele | 2,770 |
| | Opposition | William Forrester | 2,713 |
1921 Canadian federal election: South Riding of the County of Perth :
| Party | Candidate | Votes |
| Liberal | William Forrester | 3,209 |
| Conservative | Michael Steele | 2,948 |
| Progressive | Robert Berry | 2,908 |
1925 Canadian federal election: Perth South :
| Party | Party | Candidate | Votes |
| | Liberal | Frederick George Sanderson | 4,455 |
| | Conservative | Robert S. Graham | 4,041 |
1926 Canadian federal election: Perth South :
| Party | Party | Candidate | Votes |
| | Liberal | Fred George Sanderson | 4,966 |
| | Conservative | Robert S. Graham | 4,451 |
1930 Canadian federal election: Perth South :
| Party | Party | Candidate | Votes |
| | Liberal | Frederick George Sanderson | 5,063 |
| | Conservative | Samuel James Monteith | 4,346 |