Residents of Niagara, Township — Sub-district A, surnames D (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 20 | dalby | george | M | 76 | Anglican | English | England | Labourers nfs | 116 |
| 21 | dalgleish | andrew | M | 45 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 117 |
| 2 | dalgleish | andrew | M | 6 | Episcopal Methodist | Scottish | Ontario | No Occupation Listed | 117 |
| 23 | dalgleish | charles | M | 20 | Episcopal Methodist | Scottish | Ontario | Farmers, general and nfs | 117 |
| 1 | dalgleish | emma | F | 9 | Episcopal Methodist | Scottish | Ontario | No Occupation Listed | 117 |
| 25 | dalgleish | james | M | 11 | Episcopal Methodist | Scottish | Ontario | No Occupation Listed | 117 |
| 24 | dalgleish | john | M | 17 | Episcopal Methodist | Scottish | Ontario | Farmers, general and nfs | 117 |
| 22 | dalgleish | lidia | F | 42 | Episcopal Methodist | Scottish | Ontario | No Occupation Listed | 117 |
| 3 | davis | barron | M | 29 | Anglican | English | Ontario | Farmers, general and nfs | 6 |
| 12 | dawson | george | M | 32 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 117 |
| 14 | dawson | george | M | 86 | Presbyterian | Scottish | Scotland | No Occupation Listed | 117 |
| 13 | dawson | hannah | F | 32 | Presbyterian | Scottish | Ontario | No Occupation Listed | 117 |
| 3 | dee | julia | F | 53 | Anglican | Scottish | Ontario | No Occupation Listed | 90 |
| 2 | dee | thomas | M | 55 | Anglican | English | Ontario | Dealer, merchant etc. (Wholesale & retail trade) | 90 |
| 20 | deick | wm | M | 51 | Episcopal Methodist | English | England | Labourers nfs | 5 |
| 13 | derror | david | M | 60 | Anglican | African Origins | Ontario | No Occupation Listed | 118 |
| 10 | dickson | isebella | F | 57 | Presbyterian | Scottish | Scotland | No Occupation Listed | 147 |
| 24 | doherty | george | M | 12 | Anglican | Irish | Ireland | Servants nfs | 91 |
| 19 | donaldson | mary | F | 25 | Anglican | Scottish | Ontario | No Occupation Listed | 105 |
| 18 | donaldson | william | M | 30 | Anglican | Scottish | Ontario | Farmers, general and nfs | 105 |
| 20 | donaldson | william | M | 0 | Anglican | Scottish | Ontario | No Occupation Listed | 105 |
| 24 | doyle | catharine | F | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 88 |
| 21 | doyle | george | M | 8 | Roman Catholic | Irish | England | No Occupation Listed | 88 |
| 19 | doyle | hannah | F | 32 | Roman Catholic | English | England | No Occupation Listed | 88 |
| 22 | doyle | hannah | F | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 88 |
| 3 | doyle | james | M | 24 | Roman Catholic | Irish | Ontario | Blacksmiths | 96 |
| 5 | doyle | john | M | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 20 | doyle | john | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 88 |
| 4 | doyle | margret | F | 23 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 23 | doyle | mary | F | 3 | Roman Catholic | Irish | England | No Occupation Listed | 88 |
| 18 | doyle | patrick | M | 34 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 88 |
| 10 | duff | jessie | F | 54 | Anglican | Scottish | Ontario | No Occupation Listed | 71 |
| 12 | duff | jessie | F | 30 | Anglican | Scottish | Ontario | No Occupation Listed | 71 |
| 2 | duffy | christiana | F | 78 | Anglican | German | Ontario | No Occupation Listed | 26 |
| 12 | dunn | annie | F | 19 | Episcopal Methodist | Irish | Ontario | No Occupation Listed | 28 |
| 10 | dunn | luther | M | 73 | Episcopal Methodist | Irish | United States | Millwrights | 28 |
| 11 | dunn | mary | F | 69 | Episcopal Methodist | Irish | Ontario | No Occupation Listed | 28 |
| 21 | dunnivan | catharine | F | 63 | Roman Catholic | Irish | Ireland | No Occupation Listed | 139 |
| 20 | dunnivan | james | M | 37 | Roman Catholic | English | England | Labourers nfs | 139 |
| 2 | durand | caroline | F | 42 | Anglican | English | Ontario | No Occupation Listed | 48 |
| 3 | durand | caroline | F | 13 | Anglican | English | Ontario | No Occupation Listed | 48 |
| 6 | durand | eliza | F | 6 | Anglican | English | Ontario | No Occupation Listed | 48 |
| 5 | durand | jessie | F | 8 | Anglican | English | Ontario | No Occupation Listed | 48 |
| 4 | durand | mary | F | 9 | Anglican | English | Ontario | No Occupation Listed | 48 |
| 23 | durham | issabell | F | 70 | Methodist | Irish | Quebec | No Occupation Listed | 23 |
| 22 | durham | james | M | 75 | Methodist | Irish | Ontario | Farmers, general and nfs | 23 |
| 24 | durham | james | M | 43 | Methodist | Irish | Ontario | No Occupation Listed | 23 |
| 15 | dwier | mary | F | 25 | Presbyterian | Scottish | Newfoundland | No Occupation Listed | 34 |
| 14 | dwier | william | M | 36 | Roman Catholic | Irish | Ireland | Labourers nfs | 34 |