Residents of Sunnidale — Sub-district D, surnames A (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 23 | adams | albert | M | 1 | Methodist | English | Ontario | No Occupation Listed | 238 |
| 19 | adams | charles | M | 9 | Methodist | English | Ontario | No Occupation Listed | 238 |
| 20 | adams | david | M | 8 | Methodist | English | Ontario | No Occupation Listed | 238 |
| 17 | adams | elizabeth | F | 29 | Methodist | Irish | Ontario | No Occupation Listed | 238 |
| 22 | adams | euley | F | 4 | Methodist | English | Ontario | No Occupation Listed | 238 |
| 16 | adams | james | M | 32 | Methodist | English | England | Labourers nfs | 238 |
| 18 | adams | lewesa | F | 10 | Methodist | English | Ontario | No Occupation Listed | 238 |
| 21 | adams | mary | F | 6 | Methodist | English | Ontario | No Occupation Listed | 238 |
| 14 | admonds | hariet | F | 22 | Baptist | English | Ontario | No Occupation Listed | 476 |
| 10 | admonds | joseph | M | 68 | Baptist | English | England | Farmers, general and nfs | 476 |
| 11 | admonds | mary | F | 63 | Baptist | English | England | No Occupation Listed | 476 |
| 13 | admonds | mary | F | 24 | Baptist | English | Ontario | No Occupation Listed | 476 |
| 12 | admonds | robert | M | 28 | Baptist | English | Ontario | No Occupation Listed | 476 |
| 19 | alderson | charles | M | 7 | Anglican | English | Ontario | No Occupation Listed | 19 |
| 16 | alderson | elizabeth | F | 42 | Anglican | English | Ontario | No Occupation Listed | 19 |
| 15 | alderson | fredric | M | 42 | Anglican | English | England | Farmers, general and nfs | 19 |
| 21 | alderson | fredric | M | 2 | Anglican | English | Ontario | No Occupation Listed | 19 |
| 17 | alderson | george | M | 13 | Anglican | English | Ontario | No Occupation Listed | 19 |
| 20 | alderson | john | M | 5 | Anglican | English | Ontario | No Occupation Listed | 19 |
| 18 | alderson | mary | F | 11 | Anglican | English | Ontario | No Occupation Listed | 19 |
| 11 | alingham | mary | F | 58 | Anglican | Irish | Ireland | No Occupation Listed | 310 |
| 10 | alingham | william | M | 60 | Anglican | Irish | Ireland | Farmers, general and nfs | 310 |
| 19 | allin | george | M | 36 | Anglican | English | England | Farmers, general and nfs | 406 |
| 22 | allin | george | M | 4 | Anglican | English | Ontario | No Occupation Listed | 406 |
| 20 | allin | margret | F | 33 | Anglican | English | England | No Occupation Listed | 406 |
| 23 | allin | thomas | M | 2 | Anglican | English | Ontario | No Occupation Listed | 406 |
| 21 | allin | william | M | 6 | Anglican | English | Ontario | No Occupation Listed | 406 |
| 24 | amerson | aggness | F | 20 | Presbyterian | Scottish | Ontario | No Occupation Listed | 121 |
| 19 | amerson | allice | F | 49 | Presbyterian | Scottish | Scotland | No Occupation Listed | 121 |
| 25 | amerson | allice | F | 18 | Presbyterian | Scottish | Ontario | No Occupation Listed | 121 |
| 23 | amerson | anie | F | 22 | Presbyterian | Scottish | Ontario | No Occupation Listed | 121 |
| 21 | amerson | elizabeth | F | 26 | Presbyterian | Scottish | Scotland | No Occupation Listed | 121 |
| 5 | amerson | ellin | F | 7 | Presbyterian | Scottish | Scotland | No Occupation Listed | 121 |
| 20 | amerson | james | M | 28 | Presbyterian | Scottish | Scotland | No Occupation Listed | 121 |
| 2 | amerson | jenet | F | 14 | Presbyterian | Scottish | Scotland | No Occupation Listed | 121 |
| 4 | amerson | jenet | F | 10 | Presbyterian | Scottish | Scotland | No Occupation Listed | 121 |
| 3 | amerson | mary | F | 12 | Presbyterian | Scottish | Scotland | No Occupation Listed | 121 |
| 22 | amerson | robert | M | 25 | Presbyterian | Scottish | Ontario | No Occupation Listed | 121 |
| 1 | amerson | william | M | 16 | Presbyterian | Scottish | Scotland | No Occupation Listed | 121 |
| 16 | anderson | george | M | 7 | Methodist | Irish | Ontario | No Occupation Listed | 102 |
| 11 | andrews | ernest | M | 13 | Anglican | English | England | No Occupation Listed | 390 |
| 13 | andrews | hubert | M | 58 | Roman Catholic | French | Quebec | Farmers, general and nfs | 64 |
| 15 | andrews | louisa | F | 18 | Roman Catholic | French | Ontario | No Occupation Listed | 64 |
| 16 | andrews | samuel | M | 14 | Roman Catholic | French | Ontario | No Occupation Listed | 64 |
| 14 | andrews | sophi | F | 49 | Roman Catholic | French | Quebec | No Occupation Listed | 64 |
| 10 | andrews | thomas | M | 14 | Anglican | English | England | No Occupation Listed | 390 |
| 9 | andrews | w | M | 30 | Anglican | English | England | Farmers, general and nfs | 390 |
| 3 | archdeacon | peiter | M | 56 | Anglican | Irish | Ontario | No Occupation Listed | 152 |
| 21 | armstong | thomas | M | 35 | Presbyterian | Irish | Ontario | Farmers, general and nfs | 336 |
| 11 | armstrong | annie | F | 2 | Presbyterian | Irish | Ontario | No Occupation Listed | 446 |
| 7 | armstrong | charles | M | 6 | Anglican | Irish | Ontario | No Occupation Listed | 363 |
| 22 | armstrong | eliza | F | 30 | Anglican | Irish | Ireland | No Occupation Listed | 336 |
| 3 | armstrong | ellin | F | 32 | Anglican | Irish | Ontario | No Occupation Listed | 363 |
| 7 | armstrong | izabella | F | 12 | Presbyterian | Irish | Ontario | No Occupation Listed | 446 |
| 4 | armstrong | john | M | 44 | Presbyterian | Irish | Ontario | Labourers nfs | 446 |
| 12 | armstrong | john | M | 0 | | Blank | — | No Occupation Listed | 446 |
| 9 | armstrong | malcolm | M | 7 | Presbyterian | Irish | Ontario | No Occupation Listed | 446 |
| 8 | armstrong | margret | F | 10 | Presbyterian | Irish | Ontario | No Occupation Listed | 446 |
| 8 | armstrong | mary | F | 4 | Anglican | Irish | Ontario | No Occupation Listed | 363 |
| 10 | armstrong | mary | F | 5 | Presbyterian | Irish | Ontario | No Occupation Listed | 446 |
| 4 | armstrong | sarah | F | 12 | Anglican | Irish | Ontario | No Occupation Listed | 363 |
| 5 | armstrong | sarah | F | 43 | Presbyterian | Scottish | Ontario | No Occupation Listed | 446 |
| 5 | armstrong | thomas | M | 10 | Anglican | Irish | Ontario | No Occupation Listed | 363 |
| 6 | armstrong | thomas | M | 14 | Presbyterian | Irish | Ontario | No Occupation Listed | 446 |
| 2 | armstrong | william | M | 36 | Anglican | Irish | Ontario | Farmers, general and nfs | 363 |
| 6 | armstrong | william | M | 8 | Anglican | Irish | Ontario | No Occupation Listed | 363 |
| 12 | arnald | burnfield | M | 0 | Presbyterian | Irish | Ontario | No Occupation Listed | 187 |
| 11 | arnald | feressa | F | 25 | Presbyterian | Irish | Ontario | No Occupation Listed | 187 |
| 10 | arnald | thomas | M | 29 | Presbyterian | Irish | Ontario | Farmers, general and nfs | 187 |
| 5 | asher | james | M | 24 | Methodist | African Origins | United States | Servants nfs | 143 |
| 24 | atkinson | adah | F | 9 | Methodist | English | Ontario | No Occupation Listed | 428 |
| 23 | atkinson | alphert | M | 11 | Methodist | English | Ontario | No Occupation Listed | 428 |
| 12 | atkinson | ann | F | 3 | Methodist | Irish | Ontario | No Occupation Listed | 378 |
| 1 | atkinson | charles | M | 5 | Methodist | English | Ontario | No Occupation Listed | 428 |
| 13 | atkinson | elizabeth | F | 1 | Methodist | Irish | Ontario | No Occupation Listed | 378 |
| 25 | atkinson | james | M | 8 | Methodist | English | Ontario | No Occupation Listed | 428 |
| 9 | atkinson | john | M | 31 | Methodist | Irish | Ontario | Farmers, general and nfs | 378 |
| 22 | atkinson | john | M | 13 | Methodist | English | Ontario | No Occupation Listed | 428 |
| 10 | atkinson | mary | F | 23 | Methodist | German | Ontario | No Occupation Listed | 378 |
| 11 | atkinson | mary | F | 6 | Methodist | Irish | Ontario | No Occupation Listed | 378 |
| 3 | atkinson | mary | F | 1 | Methodist | English | Ontario | No Occupation Listed | 428 |
| 20 | atkinson | sarah | F | 37 | Methodist | German | Ontario | No Occupation Listed | 428 |
| 21 | atkinson | thomas | M | 15 | Methodist | English | Ontario | No Occupation Listed | 428 |
| 19 | atkinson | william | M | 45 | Methodist | English | Ontario | Farmers, general and nfs | 428 |
| 2 | atkinson | william | M | 3 | Methodist | English | Ontario | No Occupation Listed | 428 |
| 6 | ayers | annie | F | 38 | Mennonite | French | Ontario | No Occupation Listed | 442 |
| 8 | ayers | charles | M | 15 | Mennonite | English | Ontario | No Occupation Listed | 442 |
| 5 | ayers | george | M | 40 | Mennonite | English | England | Farmers, general and nfs | 442 |
| 7 | ayers | george | M | 16 | Mennonite | English | Ontario | No Occupation Listed | 442 |
| 9 | ayers | john | M | 1 | Mennonite | English | Ontario | No Occupation Listed | 442 |