| A | Anglican |
| B | Baptist |
| BF | Fellowship Baptist |
| BC | Bible Christian |
| C | Congregational |
| CR | Christian Reform |
| FM | Free Methodist |
| L | Lutheran |
| M | The Methodist Church (1884 - 1925) |
| MC | The Methodist Church of Canada (1874 - 1884) |
| ME | The Methodist Episcopal Church in Canada (to 1884) |
| MX | Methodist New Connexion Church of Canada (to 1874) |
| O | Other Denominations |
| P | The Presbyterian Church in Canada (1875 to date) |
| PA | Pentecostal Assemblies of Ontario and Quebec |
| PF | Presbyterian - The Free Church – made up of: |
| Synod of the Presbyterian Church of Canada (1844 Jul 10 - 1861 Jun 6) | |
| Canada Presbyterian Church (1861 Jun 6 - 1875 Jun 15) | |
| PK | Presbyterian - The Kirk – made up of |
| Synod of the Presbyterian Church in Connection with the Church of Scotland (to 1840) | |
| Synod of the Presbyterian Church of Canada in Connection with the Church of Scotland (1840-1875) | |
| SA | Salvation Army |
| U | United Church of Canada (1925 to date) |
| WM | Wesleyan Methodist Church in Canada (to 1874) |