1870s
- 1873: Newton LeGayet MacKay leaves the Conservatives for the Liberals.
- 1874: Samuel McDonnell leaves the Conservatives for the Liberals
- 1879: Five Quebec MLAs leave the Quebec Liberals for the Conservatives, causing the government to fall:
- Alexandre Chauveau
- Edmund James Flynn
- Louis Napoléon Fortin
- Étienne-Théodore Pâquet
- Ernest Racicot
Read more about this topic: List Of Canadian Politicians Who Have Crossed The Floor