List of Changes that have been made in the Names of Post Offices, between the 1st July, 1855, and 1st November, 1856, inclusive.
| LATE NAME OF POST OFFICE. | ELECTORAL COUNTY OR DIVISION. | NEW NAME SELECTED. |
|---|---|---|
| Carradoc | Middlesex, W. R. | Mount Brydges |
| Carstairs (Vroomenia) | Brant | Harrisburg |
| East Plympton | Lambton | Kertch |
| Elderslie | York, E. R. | Woburn |
| Emily | Victoria | Omamee |
| Hopeville | Durham, E. R. | Canton |
| Kitley | Leeds and Grenville, N. R. | Toledo |
| Mariposa | Victoria | Manilla |
| Mill Creek | Addington | Odessa |
| Mosa | Middlesex, W. R. | Wardsville |
| Pelham | Welland | Fonthill |
| Pine Hill | Lambton | Widder |
| Plympton | Lambton | Oban |
| Rupert | York, W. R. | Maple |
| Temperanceville | Elgin, E. R. | Orwell |
| Walpole | Haldimand | Selkirk |
| Wawanosh | Huron | Dungannon |
| Wilksburg | Lambton | Wilkesport |
| Wilmot | Waterloo, S. R. | Haysville |
| Zone Mills | Lambton | Florence |