Template:1872 Ontario provincial by-elections/Cornwall

Ontario provincial by-election, July 16, 1872: Cornwall Death of John Sandfield Macdonald
Party	Candidate	Votes	%
	Liberal	John Goodall Snetsinger	410	57.83
	Independent	Mr. Amable	299	42.17
Total valid votes			709	100.0
	Liberal gain from Conservative		Swing
Source: History of the Electoral Districts, Legislatures and Ministries of the Province of Ontario