| Ontario provincial by-election, October 1878: Simcoe South Resignation of William McDougall | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | Elected | |||||
| Conservative | William James Parkhill | Unknown | 
| |||||
| Independent | J.H.W. Wilson | Unknown | ||||||
| Conservative gain from Independent Liberal | ||||||||
| Source: History of the Electoral Districts, Legislatures and Ministries of the Province of Ontario[1]: 352 | ||||||||
