Residents of Cornwall, Centre Ward—Quartier — Sub-district B, surnames T (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 4 | tackabery | ellon | F | 15 | Anglican | Irish | Ontario | Dressmakers | 147 |
| 2 | tackabery | john | M | 48 | Anglican | Irish | Ireland | Bricklayers | 147 |
| 3 | tackabery | sophia | F | 42 | Anglican | German | Ontario | No Occupation Listed | 147 |
| 2 | tailor | annie | F | 16 | Anglican | English | England | Factory labourers (non-specified manufacturing) | 138 |
| 25 | tanner | minnie | F | 20 | Presbyterian | English | United States | No Occupation Listed | 244 |
| 24 | tanner | richard | M | 21 | Presbyterian | English | Ontario | Clerk, nfs | 244 |
| 2 | thompson | annie | F | 45 | Presbyterian | Scottish | Scotland | No Occupation Listed | 294 |
| 3 | thompson | archy | M | 18 | Presbyterian | Scottish | Ontario | No Occupation Listed | 294 |
| 1 | thompson | david | M | 70 | Presbyterian | Scottish | Scotland | No Occupation Listed | 294 |
| 5 | tiafair | elizabeth | F | 29 | Roman Catholic | French | Quebec | No Occupation Listed | 113 |
| 4 | tiafair | joseph | M | 35 | Roman Catholic | French | Ontario | Stone masons | 113 |
| 6 | tiafair | joseph | M | 11 | Roman Catholic | French | Ontario | No Occupation Listed | 113 |
| 9 | tiafair | lilly | F | 2 | Roman Catholic | French | Quebec | No Occupation Listed | 113 |
| 8 | tiafair | philomen | F | 4 | Roman Catholic | French | Ontario | No Occupation Listed | 113 |
| 7 | tiafair | william | M | 6 | Roman Catholic | French | Ontario | No Occupation Listed | 113 |
| 23 | tiddell | james | M | 45 | Presbyterian | Scottish | Scotland | Bakers | 120 |
| 15 | tims | emma | F | 22 | Anglican | Irish | Ontario | No Occupation Listed | 127 |
| 14 | tims | john | M | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 127 |
| 6 | tobin | ellon | F | 25 | Presbyterian | Irish | Quebec | No Occupation Listed | 133 |
| 7 | tobin | ida | F | 6 | Presbyterian | Irish | Ontario | No Occupation Listed | 133 |
| 5 | tobin | james | M | 33 | Presbyterian | Irish | Ontario | Pottery and ceramics makers | 133 |
| 14 | trudo | joseph | M | 20 | Roman Catholic | French | United States | Painters, nfs | 331 |
| 15 | trudo | josephine | F | 21 | Roman Catholic | French | Ontario | No Occupation Listed | 331 |
| 16 | trudo | rachel | F | 0 | Roman Catholic | French | Ontario | No Occupation Listed | 331 |
| 2 | turner | henery | M | 27 | Presbyterian | English | Ontario | Dealer, merchant etc. (Wholesale & retail trade) | 216 |
| 1 | turner | margaret | F | 52 | Presbyterian | German | Ontario | No Occupation Listed | 216 |
| 25 | turner | nelson | M | 55 | Presbyterian | English | United States | Dealer, merchant etc. (Wholesale & retail trade) | 216 |