Residents of Québec, Jacques-Cartier, Ward—Quartier — Sub-district B, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 3 | obrien | daniel | M | 19 | Roman Catholic | Irish | Quebec | No Occupation Listed | 363 |
| 14 | obrien | edouard | M | 12 | Roman Catholic | Irish | Quebec | No Occupation Listed | 134 |
| 12 | obrien | elizabeth | F | 44 | Roman Catholic | Irish | Quebec | No Occupation Listed | 134 |
| 4 | obrien | francis | F | 17 | Roman Catholic | Irish | Quebec | No Occupation Listed | 363 |
| 11 | obrien | george | M | 55 | Roman Catholic | Irish | Ireland | Carpenters | 134 |
| 15 | obrien | isabelle | F | 14 | Roman Catholic | Irish | Quebec | No Occupation Listed | 134 |
| 8 | obrien | james | M | 7 | Roman Catholic | Irish | Quebec | No Occupation Listed | 363 |
| 1 | obrien | john | M | 40 | Roman Catholic | Irish | Quebec | Ship boat loaders and dock workers | 363 |
| 6 | obrien | john | M | 13 | Roman Catholic | Irish | Quebec | No Occupation Listed | 363 |
| 17 | obrien | lucia | F | 5 | Roman Catholic | Irish | Quebec | No Occupation Listed | 134 |
| 7 | obrien | mary | F | 10 | Roman Catholic | Irish | Quebec | No Occupation Listed | 363 |
| 2 | obrien | rosanna | F | 40 | Roman Catholic | Irish | Quebec | No Occupation Listed | 363 |
| 16 | obrien | rose | F | 10 | Roman Catholic | Irish | Quebec | No Occupation Listed | 134 |
| 9 | obrien | theressa | F | 1 | Roman Catholic | Irish | Quebec | No Occupation Listed | 363 |
| 13 | obrien | william | M | 16 | Roman Catholic | Irish | Quebec | Distillers | 134 |
| 5 | obrien | william | M | 15 | Roman Catholic | Irish | Quebec | No Occupation Listed | 363 |
| 22 | oconnell | bidget | F | 50 | Roman Catholic | Irish | Quebec | No Occupation Listed | 352 |
| 23 | oconnell | marie | F | 11 | Roman Catholic | Irish | Quebec | No Occupation Listed | 352 |
| 21 | oconnell | michel | M | 50 | Roman Catholic | Irish | Ireland | Ship boat loaders and dock workers | 352 |
| 19 | oconner | eliza | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 114 |
| 4 | ofarrel | agnes | F | 3 | Roman Catholic | Irish | Quebec | No Occupation Listed | 205 |
| 3 | ofarrel | catherine | F | 8 | Roman Catholic | Irish | Quebec | No Occupation Listed | 205 |
| 25 | ofarrel | hubert | M | 13 | Roman Catholic | Irish | Quebec | No Occupation Listed | 205 |
| 23 | ofarrel | john | M | 45 | Roman Catholic | Irish | Ireland | Labourers nfs | 205 |
| 5 | ofarrel | john | M | 0 | Roman Catholic | Irish | Quebec | No Occupation Listed | 205 |
| 2 | ofarrel | marie | F | 10 | Roman Catholic | Irish | Quebec | No Occupation Listed | 205 |
| 24 | ofarrel | martha | F | 32 | Roman Catholic | Irish | Ireland | No Occupation Listed | 205 |
| 1 | ofarrel | mathew | M | 12 | Roman Catholic | Irish | Quebec | No Occupation Listed | 205 |
| 6 | oialard | auguste | M | 47 | Roman Catholic | French | Lorraine | Policemen and detectives, employer unknown | 65 |
| 7 | oialard | marie | F | 40 | Roman Catholic | French | Quebec | No Occupation Listed | 65 |
| 19 | olcamps | elizabeth | F | 23 | Roman Catholic | French | Quebec | Designers | 373 |
| 20 | oleary | catherine | F | 19 | Roman Catholic | Irish | Quebec | No Occupation Listed | 254 |
| 18 | oleary | charles | M | 21 | Roman Catholic | Irish | Quebec | Bricklayers | 254 |
| 16 | oleary | john | M | 60 | Roman Catholic | Irish | Quebec | Bricklayers | 254 |
| 19 | oleary | marguerite | F | 24 | Roman Catholic | Irish | Quebec | No Occupation Listed | 254 |
| 17 | oleary | marianne | F | 58 | Roman Catholic | Irish | Ireland | No Occupation Listed | 254 |
| 10 | oreilly | anne | F | 38 | Roman Catholic | Irish | Quebec | No Occupation Listed | 202 |
| 9 | oreilly | francis | M | 45 | Roman Catholic | Irish | Ireland | Labourers nfs | 202 |
| 13 | oreilly | james | M | 0 | Roman Catholic | Irish | Quebec | No Occupation Listed | 202 |
| 11 | oreilly | patrick | M | 10 | Roman Catholic | Irish | Quebec | No Occupation Listed | 202 |
| 12 | oreilly | peter | M | 7 | Roman Catholic | Irish | Quebec | No Occupation Listed | 202 |
| 14 | osullivan | joseph | M | 2 | Roman Catholic | Irish | Quebec | No Occupation Listed | 306 |
| 13 | osullivan | marianne | F | 26 | Roman Catholic | Irish | Quebec | No Occupation Listed | 306 |
| 12 | osullivan | pierre | M | 28 | Roman Catholic | Irish | Quebec | Plumbers | 306 |
| 15 | osullivan | pierre | M | 1 | Roman Catholic | Irish | Quebec | No Occupation Listed | 306 |
| 8 | ouelette | alexandre | M | 7 | Roman Catholic | French | Quebec | No Occupation Listed | 20 |
| 14 | ouelette | alfred | M | 13 | Roman Catholic | French | Quebec | No Occupation Listed | 22 |
| 13 | ouelette | anriette | F | 34 | Roman Catholic | French | Quebec | No Occupation Listed | 22 |
| 12 | ouelette | lazard | M | 40 | Roman Catholic | French | Quebec | Carpenters | 22 |
| 6 | ouelette | melanie | F | 47 | Roman Catholic | French | Quebec | No Occupation Listed | 20 |
| 5 | ouelette | thomas | M | 49 | Roman Catholic | French | Quebec | Carpenters | 20 |
| 7 | ouelette | thomas | M | 11 | Roman Catholic | French | Quebec | No Occupation Listed | 20 |
| 4 | ouellet | alphonsine | F | 17 | Roman Catholic | French | Quebec | Seamstress | 448 |
| 7 | ouellet | antonio | M | 6 | Roman Catholic | French | Quebec | No Occupation Listed | 448 |
| 6 | ouellet | arthur | M | 13 | Roman Catholic | French | Quebec | No Occupation Listed | 448 |
| 12 | ouellet | auguste | M | 18 | Roman Catholic | French | Quebec | Confectioners and pastry makers | 422 |
| 8 | ouellet | blanche | F | 2 | Roman Catholic | French | Quebec | No Occupation Listed | 448 |
| 7 | ouellet | celina | F | 32 | Roman Catholic | French | Quebec | No Occupation Listed | 329 |
| 10 | ouellet | delphine | F | 25 | Roman Catholic | French | Quebec | No Occupation Listed | 61 |
| 3 | ouellet | emilie | F | 19 | Roman Catholic | French | Quebec | Seamstress | 448 |
| 5 | ouellet | hector | M | 15 | Roman Catholic | French | Quebec | No Occupation Listed | 448 |
| 6 | ouellet | henrieta | F | 68 | Roman Catholic | French | Quebec | No Occupation Listed | 329 |
| 1 | ouellet | louis | M | 49 | Roman Catholic | French | Quebec | Clerks in shops and stores | 448 |
| 2 | ouellet | marie | F | 39 | Roman Catholic | French | Quebec | Seamstress | 448 |
| 9 | ouellet | odile | F | 26 | Roman Catholic | French | Quebec | No Occupation Listed | 329 |
| 13 | ouellet | pierre | M | 25 | Roman Catholic | French | Quebec | Clerk, nfs | 219 |
| 8 | ouellet | sophie | F | 28 | Roman Catholic | French | Quebec | No Occupation Listed | 329 |
| 14 | ouellette | emma | F | 25 | Roman Catholic | French | Quebec | Servants nfs | 494 |
| 14 | ouellette | malvina | F | 29 | Roman Catholic | French | Quebec | Servants nfs | 455 |