Third Waikato Militia – O
Third Waikato Militia – O
| O | |
| OAKLEY | Edward Arthur |
| OAKLEY | William |
| O’BRIEN | David |
| O’BRIEN | John |
| O’BRIEN | Laurence |
| O’BRIEN | Martin |
| O’BRIEN | William |
| O’CARROLL | Patrick J |
| O’CONNOR | Michael |
| O’CONNOR | Patrick |
| O’DONNELL | Bartholomew |
| O’DONOGHUE | Michael |
| O’FLAHERTY | Martin |
| O’GRADY | John |
| O’HAGAN | John |
| OHJE(E) (OHYE) | John |
| OLIVER | Charles |
| OLIVER | Richard |
| O’NEILL | Charles |
| O’NEILL | Patrick |
| O’NEILL | William Francis |
| ONIONS | Charles |
| O’RAFFERTY | John |
| ORR | John |
| ORUM | Helworth |
| O’SHANNESSY | John |
| O’SHANNESSY | Thomas |
| O’SULLIVAN | John |
| O’SULLIVAN | John |
| OUSELEY | William |
| OWEN | Harry Travers |