1930
| D # | F # | Last | First | Relationship | Age | Occupation | O/R | Notes |
| 17 | 17 | Robertson | Oliver | Head | 58 | Dentist, General practice | O | |
| Katherine | Wife | 57 |
1920
| D # | F # | Last | First | Relationship | Age | Occupation | O/R | Notes |
| 69 | 71 | Robertson | Oliver F. | Head | 47 | Dentist, General practice | O | |
| Katherine W. | Wife | 46 | None |
1910
| D # | F # | Last | First | Relationship | Age | Occupation | O/R | Notes |
| 13 | 13 | Robertson | Oliver F. | Head | 38 | Dentist, regular practice | ||
| Katherine W. | Wife | 36 |