Residents of Pembroke, Town—Ville — Sub-district E, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 17 | obrine | alace | F | 19 | Roman Catholic | Irish | Ontario | Servants nfs | 107 |
| 10 | obrine | anna | F | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 109 |
| 12 | obrine | bridget | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 275 |
| 7 | obrine | catherine | F | 27 | Roman Catholic | Irish | United States | No Occupation Listed | 109 |
| 6 | obrine | cathorine | F | 27 | Roman Catholic | Irish | Ontario | No Occupation Listed | 372 |
| 5 | obrine | elizabeth | F | 21 | Roman Catholic | Irish | Ontario | Servants nfs | 323 |
| 13 | obrine | james | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 275 |
| 11 | obrine | jinney | F | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 109 |
| 9 | obrine | john | M | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 109 |
| 17 | obrine | john | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 275 |
| 14 | obrine | magie | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 275 |
| 11 | obrine | marian | F | 16 | Roman Catholic | Irish | Quebec | No Occupation Listed | 275 |
| 16 | obrine | mary | F | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 275 |
| 6 | obrine | patric | M | 33 | Roman Catholic | Irish | Ontario | Labourers nfs | 109 |
| 8 | obrine | ralph | M | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 109 |
| 10 | obrine | sara | F | 35 | Roman Catholic | Irish | Quebec | No Occupation Listed | 275 |
| 15 | obrine | sarah | F | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 275 |
| 9 | obrine | thomas | M | 38 | Roman Catholic | Irish | Ireland | Labourers nfs | 275 |
| 11 | oconor | bridget | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 308 |
| 9 | oconor | catherine | F | 28 | Roman Catholic | Irish | Ontario | No Occupation Listed | 308 |
| 18 | oconor | daniel | M | 17 | Roman Catholic | Irish | Ontario | Clerks in shops and stores | 136 |
| 17 | oconor | elisha | F | 38 | Roman Catholic | Irish | Ontario | No Occupation Listed | 136 |
| 20 | oconor | john | M | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 136 |
| 21 | oconor | lawrence | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 136 |
| 8 | oconor | michael | M | 30 | Roman Catholic | Irish | Ireland | Blacksmiths | 308 |
| 10 | oconor | michael | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 308 |
| 23 | oconor | nellie | F | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 136 |
| 16 | oconor | patrick | M | 48 | Roman Catholic | Irish | Ontario | Foremen and supervisors nfs | 136 |
| 22 | oconor | rose | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 136 |
| 19 | oconor | theresa | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 136 |
| 3 | odriscoll | elinor | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 273 |
| 25 | odriscoll | frances | F | 34 | Roman Catholic | Irish | Quebec | No Occupation Listed | 273 |
| 2 | odriscoll | john | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 273 |
| 4 | odriscoll | justine | F | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 273 |
| 1 | odriscoll | mary | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 273 |
| 9 | odriscoll | mary | F | | | Blank | — | Servants nfs | 451 |
| 5 | odriscoll | micheal | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 273 |
| 24 | odriscoll | michel | M | 43 | Roman Catholic | Irish | Ireland | barrister at law | 273 |
| 14 | okelly | anna | F | 33 | Roman Catholic | Irish | Quebec | No Occupation Listed | 299 |
| 17 | okelly | anthony | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 299 |
| 13 | okelly | dudley | M | 50 | Roman Catholic | Irish | Ireland | No Occupation Listed | 299 |
| 15 | okelly | margreat | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 299 |
| 18 | okelly | may | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 299 |
| 16 | okelly | michael | M | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 299 |
| 14 | omeara | carline | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 18 | omeara | carline | F | 48 | Roman Catholic | Irish | Quebec | Dealer, merchant etc. (Wholesale & retail trade) | 237 |
| 6 | omeara | catherine | F | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 447 |
| 25 | omeara | edward | M | 48 | Roman Catholic | Irish | Ireland | Tailors and tailoresses | 447 |
| 19 | omeara | elizabeth | F | 23 | Roman Catholic | Irish | Ontario | No Occupation Listed | 237 |
| 5 | omeara | esther | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 447 |
| 20 | omeara | frances | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 237 |
| 15 | omeara | hortence | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 10 | omeara | john | M | 20 | Roman Catholic | Irish | Ontario | law student | 176 |
| 2 | omeara | john | M | 16 | Roman Catholic | Irish | Ontario | Tinsmiths and Tinners and Tinkers | 447 |
| 23 | omeara | josephine | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 237 |
| 22 | omeara | justine | F | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 237 |
| 3 | omeara | margrat | F | 55 | Roman Catholic | Irish | Quebec | No Occupation Listed | 412 |
| 9 | omeara | margret | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 8 | omeara | marian | F | 49 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 4 | omeara | mary | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 447 |
| 13 | omeara | maryann | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 12 | omeara | michel | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 21 | omeara | minnie | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 237 |
| 1 | omeara | patrick | M | 19 | Roman Catholic | Irish | Ontario | Telegraph operators | 447 |
| 7 | omeara | william | M | 53 | Roman Catholic | Irish | Ireland | No Occupation Listed | 176 |
| 11 | omeara | william | M | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 3 | omeara | william | M | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 447 |
| 12 | omera | anna | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 107 |
| 15 | oneal | john | M | 20 | Roman Catholic | Irish | Ontario | Blacksmiths | 223 |
| 14 | oneil | catherine | F | 40 | Roman Catholic | Irish | Ireland | No Occupation Listed | 44 |
| 13 | oneil | charles | M | 44 | Roman Catholic | Irish | Ireland | Blacksmiths | 44 |
| 15 | oneil | charles | M | 8 | Roman Catholic | Irish | United States | No Occupation Listed | 44 |
| 16 | ormon | daniel | M | 36 | Presbyterian | Irish | Ontario | Dealer, merchant etc. (Wholesale & retail trade) | 410 |
| 17 | ormon | frances | F | 30 | Presbyterian | English | Quebec | No Occupation Listed | 410 |
| 19 | ormon | hariet | F | 1 | Presbyterian | Irish | Ontario | No Occupation Listed | 410 |
| 18 | ormon | horace | M | 5 | Presbyterian | Irish | Ontario | No Occupation Listed | 410 |
| 20 | ormon | robert | M | 0 | Presbyterian | Irish | Ontario | No Occupation Listed | 410 |
| 8 | ovellett | hary | M | 20 | Roman Catholic | French | Quebec | Bartenders | 421 |