Residents of Mountain — Sub-district C, surnames A (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 20 | acheson | herbert | M | 26 | Anglican | Irish | England | Farmers, general and nfs | 283 |
| 5 | adamson | christopher | M | 18 | Anglican | Irish | Ireland | Farmers, general and nfs | 337 |
| 9 | ady | charles | M | 11 | Methodist | English | Ontario | No Occupation Listed | 101 |
| 6 | ady | emma | F | 20 | Methodist | English | England | No Occupation Listed | 101 |
| 5 | ady | mary | F | 52 | Methodist | English | England | No Occupation Listed | 101 |
| 8 | ady | matilda | F | 15 | Methodist | English | England | No Occupation Listed | 101 |
| 7 | ady | selina | F | 17 | Methodist | English | England | No Occupation Listed | 101 |
| 4 | ady | thomas | M | 52 | Methodist | English | England | Farmers, general and nfs | 101 |
| 16 | affleck | heunna | F | 8 | Congregationalist | Scottish | Ontario | No Occupation Listed | 131 |
| 13 | affleck | isabella | F | 35 | Congregationalist | Scottish | Ontario | No Occupation Listed | 131 |
| 14 | affleck | jane | F | 13 | Congregationalist | Scottish | Ontario | No Occupation Listed | 131 |
| 17 | affleck | mary | F | 4 | Congregationalist | Scottish | Ontario | No Occupation Listed | 131 |
| 12 | affleck | robert | M | 47 | Congregationalist | Scottish | Ontario | Farmers, general and nfs | 131 |
| 18 | affleck | robert | M | 17 | Congregationalist | Scottish | Ontario | No Occupation Listed | 131 |
| 15 | affleck | william | M | 11 | Congregationalist | Scottish | Ontario | No Occupation Listed | 131 |
| 24 | ager | richard | M | 27 | Anglican | Irish | Ireland | Farmers, general and nfs | 264 |
| 19 | allan | james | M | 1 | Presbyterian | Scottish | Manitoba | No Occupation Listed | 233 |
| 18 | allan | kate | F | 23 | Presbyterian | Irish | Ontario | No Occupation Listed | 233 |
| 17 | allan | william | M | 32 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 233 |
| 5 | allchin | james | M | 23 | Anglican | English | Quebec | Farmers, general and nfs | 154 |
| 13 | anderson | adam | M | 63 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 189 |
| 22 | anderson | adam | M | 27 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 249 |
| 12 | anderson | albert | M | 30 | Methodist | English | England | Farmers, general and nfs | 170 |
| 14 | anderson | charles | M | 5 | Methodist | English | Ontario | No Occupation Listed | 170 |
| 8 | anderson | david | M | 20 | Presbyterian | Scottish | Ontario | Ministers of Religion | 12 |
| 13 | anderson | helena | F | 23 | Methodist | English | Ontario | No Occupation Listed | 170 |
| 15 | anderson | john | M | 1 | Methodist | English | Ontario | No Occupation Listed | 170 |
| 22 | argue | mills | M | 22 | Methodist | Irish | Ontario | Farmers, general and nfs | 260 |
| 2 | armstrong | ann | F | 1 | Presbyterian | Irish | Manitoba | No Occupation Listed | 118 |
| 1 | armstrong | nancy | F | 30 | Presbyterian | Irish | Ontario | No Occupation Listed | 118 |
| 25 | armstrong | robert | M | 36 | Presbyterian | Irish | Ireland | Farmers, general and nfs | 118 |
| 22 | arnett | james | M | 30 | Methodist | Irish | Quebec | Farmers, general and nfs | 133 |
| 23 | arue | john | M | 24 | Methodist | Irish | Ontario | Farmers, general and nfs | 261 |
| 11 | ashby | john | M | 37 | Anglican | English | England | Farmers, general and nfs | 145 |
| 25 | atcheson | dudley | M | 19 | Anglican | Irish | Ireland | Farmers, general and nfs | 38 |
| 24 | atcheson | william | M | 25 | Anglican | Irish | Ireland | Farmers, general and nfs | 38 |
| 14 | august | rossana | F | 1 | Roman Catholic | French | Manitoba | No Occupation Listed | 76 |
| 13 | august | soulange | F | 35 | Roman Catholic | French | Quebec | No Occupation Listed | 76 |