O
| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Locality KEY | ||||
| O'BRIEN | Shepparton | VIC | AUS | aft 1858 |
| O'BRIEN | Clifton Downs | QLD | AUS | bef 1890 |
| O'CALLAGHAN | Uperchurch | TIP | IRL | |
| O'CONNEL | Melbourne | VIC | AUS | 1840-80 |
| O'CONNOR | CLA | IRL | pre 1910 | |
| O'CONNOR | Fremantle | WA | AUS | cir 1910 |
| O'CONNOR | KER | IRL | cir 1900 | |
| O'GORMAN | ||||
| O'GRADY | IRL | |||
| O'DEA | Geraldton | WA | AUS | 1903 |
| O'HALLORAN | Limerick | LIM | IRL | pre 1835 |
| O'HALLORAN | Adelaide | SA | AUS | bef 1872 |
| O'LEARY | Cork | COR | IRL | 1850s |
| O'LOUGHLIN | CLA | IRL | pre 1835 | |
| O'MAHONEY | Killarney | KER | IRL | 1820-1850 |
| O'MAHONEY | Melbourne | VIC | AUS | 1840-1900 |
| O'MAHONY | Subiaco | WA | AUS | 1900s |
| O'MALLEY | LIM | IRL | cir 1840 | |
| O'MALLEY | LIM | IRL | aft 1700 | |
| O'MALLEY | Geraldton | WA | AUS | aft 1860 |
| O'MARA | Bayswater | WA | AUS | aft 1847 |
| O'MARA | Guildford | WA | AUS | aft 1853 |
| O'MARA | Longford | LOG | IRL | 1853 |
| O'MARA | NW Fulham | LND | ENG | 1915-19 |
| O'REILLY | IRL | pre 1853 | ||
| O'SHEA | IRL | pre 1870 | ||
| O'SHEA | SA | AUS | aft 1830 | |
| O'SULLIVAN | Limerick | LIM | IRL | pre 1885 |
| OAKDON | Atherstone | WAR | ENG | pre 1852 |
| OAKLEY | WA | AUS | aft 1865 | |
| OFFICER | Leeds | YKS | ENG | 1700-1765 |
| OLDENBURG | Brunsbuttel | SHO | GER | 1720-1884 |
| OLDFIELD | NSW | AUS | aft 1813 | |
| OLDFIELD | Doodlakine | WA | AUS | aft 1894 |
| OLDFIELD | Kalgoorlie | WA | AUS | aft 1930 |
| OLDS | Sennen | CON | ENG | aft 1700 |
| OLIVER | Cheetham | LAN | ENG | 1800s |
| OLIVER | Wigan | LAN | ENG | 1800s |
| OLIVER | Nhill | VIC | AUS | cir 1892 |
| OLIVER | Beverley | WA | AUS | aft 1892 |
| OLIVER | St Breock | CON | ENG | pre 1622 |
| OLLIVER | Angmering | SSX | ENG | 1729 |
| OLSON | Stawell | VIC | AUS | aft 1890 |
| OPIE | Gwennap | CON | ENG | pre 1850 |
| OPIE | Redruth | CON | ENG | pre 1860 |
| OPIE | Clunes | VIC | AUS | aft 1854 |
| OPIE | Sandhurst | VIC | AUS | aft 1876 |
| OPIE | Bendigo | VIC | AUS | aft 1878 |
| OPIE | Sydney | NSW | AUS | aft 1900 |
| OPIE | Lismore | NSW | AUS | aft 1920 |
| OPIE | Perranarworthal | CON | ENG | 1770-1865 |
| OPPY | Stithians | CON | ENG | bef 1770 |
| ORAM | WIL | ENG | 1732-1885 | |
| ORCHARD | -All- | CON | ENG | 1600-1840 |
| ORCHARD | -ALL- | -All- | AUS | -All- |
| ORPEN | Maningtree | ESS | ENG | cir 1780 |
| ORR | Neilston | RFW | SCT | 1830 |
| ORR | Clare | CLA | IRL | 1850s |
| OSBORNE | NSW | AUS | aft 1890 | |
| OSMENT | Holnest | DOR | ENG | pre 1800 |
| OSMENT | Sherborne | DOR | ENG | aft 1800 |
| OTTE | Ahlbershausen | HAN | GER | pre 1850 |
| OVERSBY | Dent | YRK | ENG | aft 1700 |
| OWEN | St Martins | SAL | ENG | pre 1740 |
| OWEN | Newcastle | NSW | AUS | cir 1830 |
| OWENS | St Martins | SAL | ENG | pre 1740 |
Oct 5, 2002
