Residents of Petrolia, T-V — Sub-district F, surnames Z (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 13 | zimmer | charles | M | 2 | Baptist | German | Ontario | No Occupation Listed | 290 |
| 12 | zimmer | edith | F | 3 | Baptist | German | Ontario | No Occupation Listed | 290 |
| 10 | zimmer | edward | M | 18 | Baptist | German | Ontario | Well-driller, borer or related worker, nfs | 290 |
| 11 | zimmer | ida | F | 5 | Baptist | German | Ontario | No Occupation Listed | 290 |
| 14 | zimmer | jay | M | 0 | Baptist | German | Ontario | No Occupation Listed | 290 |
| 9 | zimmer | mary | F | 37 | Baptist | English | Ontario | No Occupation Listed | 290 |
| 8 | zimmer | quin | M | 34 | Baptist | German | Ontario | Well-driller, borer or related worker, nfs | 290 |
| 7 | zimmerman | jennie | F | 22 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 241 |
| 8 | zimmerman | joseph | M | 0 | Wesleyan Methodist | German | Ontario | No Occupation Listed | 241 |
| 16 | zimmerman | joseph | M | 20 | Anglican | German | Ontario | Stationary engineers and engine men | 249 |
| 6 | zimmerman | van | M | 24 | Wesleyan Methodist | German | Ontario | Labourers nfs | 241 |