Census 1838 - Cape Breton County - 12 Mile RiverCensus 1838 - Cape Breton County - 12 Mile River
| Last Name | Given Names | Occupation | No. of Male Children Under 6 Years of Age | No. of Female Children Under 6 Years of Age | No. of Males Under 14 Years of Age | No. of Females Under 14 Years of Age | No. of Males Above 14 Years of Age Not Heads of Families | No. of Females Above 14 Years of Age | Total Number In Family |
| McMillan | Malcolm | 0 | 1 | 1 | 1 | 1 | 1 | 6 | |
| McMillan | Donald | 0 | 1 | 1 | 1 | 1 | 1 | 6 | |
| McIsaac | Donald | 3 | 0 | 0 | 2 | 0 | 0 | 6 | |
| McVicar | Rory | 1 | 0 | 1 | 2 | 0 | 2 | 7 |