| Surname |
Particulars |
| O'BRIEN |
1880's Echuca, VIC, AUS |
| O'CONNELL |
c1837 Kilgorey, Co Clare, IRL |
| O'CONNELL |
1858 Ballarat, Allendale, Bairnsdale, Bendigo VIC, AUS |
| O'CONNOR |
John & Ann Cowle, 1860+, Mt Barker + Adelaide, SA, AUS |
| O'CONNOR |
John George, b1860, SA, AUS |
| O'CONNOR |
John George, 1860+, VIC, AUS |
| O'DONNELL |
M.; early 1800's to late 1899's VIC, AUS |
| O'HALLORAN |
1820-60 SA, AUS |
| O'LEARY / LEARY |
1840+ LND, ENG |
| O'LEARY / LEARY |
1850+ VIC, AUS |
| OLLIVER |
CON, ENG |
| O'LOUGHLIN |
c1837 Ballyvaughan, Co Clare, IRL |
| O'LOUGHLIN |
1858+ Ballarat, Derwent Jacks, Scarsdale, VIC, AUS |
| O'NEILL |
1856 IRL |
| O'NEILL |
1877 VIC, AUS |
| O'NIAL |
IRL |
| ORGAN |
pre 1853 SRY, ENG |
| ORGAN |
1853+ Cheltenham VIC, AUS |
| OSBORNE |
pre 1868, Donegal, IRL |
| OSMOND |
1840's Bristol GLS, ENG |
| OSMOND |
1870's Glenthompson, VIC, AUS |
