Residents of Portage — Sub-district E, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 5 | ogletree | archie | M | 13 | Anglican | Irish | Ontario | No Occupation Listed | 182 |
| 1 | ogletree | francis | M | 55 | Anglican | Irish | Ireland | No Occupation Listed | 182 |
| 3 | ogletree | henry | M | 21 | Anglican | Irish | Ontario | No Occupation Listed | 182 |
| 2 | ogletree | isabella | F | 23 | Anglican | Irish | Ontario | No Occupation Listed | 182 |
| 4 | ogletree | sarah | F | 18 | Anglican | Irish | Ontario | No Occupation Listed | 182 |
| 5 | okamahurahchook | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 288 |
| 6 | okamahurahchook | | F | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 288 |
| 7 | oosahwahskuannos | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 289 |
| 8 | oosahwahskuannos | | F | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 289 |
| 9 | oosahwahskuannos | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 289 |
| 10 | oosahwahskuannos | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 289 |
| 11 | oosahwahskuannos | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 289 |
| 12 | oosahwahskuannos | | F | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 289 |
| 14 | ooskinawuis | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 305 |
| 15 | ooskinawuis | | F | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 305 |
| 16 | ooskinawuis | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 305 |
| 17 | ooskinawuis | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 305 |
| 18 | ooskinawuis | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 305 |
| 19 | ooskinawuis | | M | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 305 |
| 20 | ooskinawuis | | F | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 305 |
| 21 | ooskinawuis | | F | | | Aboriginal peoples, n.s | Manitoba | No Occupation Listed | 305 |
| 15 | oriley | john | M | 28 | Roman Catholic | Irish | Ontario | Clerk, nfs | 200 |
| 7 | orton | stephen | M | 26 | Methodist | Scottish | Ontario | Farmers, general and nfs | 176 |
| 13 | oswald | allie | F | 2 | Plymouth Brethren | Scottish | Ontario | No Occupation Listed | 112 |
| 14 | oswald | david | M | 21 | Plymouth Brethren | Scottish | Ontario | Painters, nfs | 112 |
| 11 | oswald | john | M | 35 | Plymouth Brethren | Scottish | Quebec | Painters, nfs | 112 |
| 12 | oswald | margret | F | 23 | Plymouth Brethren | English | England | No Occupation Listed | 112 |
| 13 | otton | frank | M | 30 | Anglican | English | England | Dealer, merchant etc. (Wholesale & retail trade) | 87 |
| 20 | otton | george | M | 3 | Anglican | English | Manitoba | No Occupation Listed | 84 |
| 19 | otton | sidney | M | 6 | Anglican | English | Manitoba | No Occupation Listed | 84 |