| Suggested Surname | Enumerated Surname | Givens | Province | District | Subdistrict | Subdistrict Number | Page | Line |
|---|---|---|---|---|---|---|---|---|
| OBrien | Hudon | Dugas | MB | PROVENCHER | St. Boniface (Town/Ville) | i-4 | 10 | 47 |
| OBrien | Hudon | Obrien | MB | PROVENCHER | St. Boniface (Town/Ville) | i-4 | 10 | 48 |
| OBrien | Hudon | Blanchette | MB | PROVENCHER | St. Boniface (Town/Ville) | i-4 | 10 | 49 |
| OBrien | Hudon | D'Aoux | MB | PROVENCHER | St. Boniface (Town/Ville) | i-4 | 10 | 50 |
| OBrien | Hudon | Joseph | MB | PROVENCHER | St. Boniface (Town/Ville) | i-4 | 12 | 11 |
| OBrien | O'Brien | Edward | ON | GREY (East/Est) | Euphrasia | c-1 | 2 | 44 |
| OBrien | O'Brien | William | ON | GREY (East/Est) | Euphrasia | c-1 | 2 | 45 |
| OBrien | Obren | Peter | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 37 |
| OBrien | Obren | Elisabeth | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 38 |
| OBrien | Obren | John | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 39 |
| OBrien | Obren | William | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 40 |
| OBrien | Obren | Caleb | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 41 |
| OBrien | Obren | Hannah | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 42 |
| OBrien | Obren | Elisabeth | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 43 |
| OBrien | Obren | Peter | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 44 |
| OBrien | Obren | Sarah | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 7 | 45 |
| OBrien | Obren | Mary | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 19 | 8 |
| OBrien | Obren | William | ON | HASTINGS (West/Ouest) | Belleville (City/Cité) | a-6 | 19 | 9 |
| OBrien | Obrin | Maggie | ON | LAMBTON (West/Ouest) | Forest (Town/Ville) | a-2 | 11 | 1 |
| OBrien | Obrin | Edna N. | ON | LAMBTON (West/Ouest) | Forest (Town/Ville) | a-2 | 11 | 2 |
| OBrien | OBrine | Ann | ON | LINCOLN & NIAGARA | St. Catharines (City/Cité) | k-12 | 6 | 39 |
| OBrien | OBrine | Thomas | ON | LINCOLN & NIAGARA | St. Catharines (City/Cité) | k-12 | 6 | 40 |