| Gregory & West | - | Gregorfields, Winchester | 8BG and 35D, 25E | 1962 |
| Gregson | Alf. E. | Cockleshell Gully, Dandarragan | E2G | 1912 |
| Gregson | Alf. E. | Cockleshell Gully, Dandarragan | E2G | 1924 |
| Gregson | John | Cockleshell Gully, Dandarragan | 4GJ | 1912 |
| Gregson | John | Cockleshell Gully, Dandarragan | 4GJ | 1924 |
| Gregson | R. W. | Sussex Locs. 2457/8, Karridale | Y2X | 1962 |
| Gregson | Wm. | Boyd's Farm, Burge's Siding | W4G | 1912 |
| Gregson | Wm. | Boyds Farm, Burges Siding | W4G | 1924 |
| Greig | Jas. A. | Quilbennie, Williams | G0Q | 1912 |
| Greig | Jas. H. | Pilbarra, Nullagine | H3J | 1912 |
| Greig | Jas. H. | Pilbarra, Nullagine | H3J | 1924 |
| Greig | K. & J. | Quintinylla, Brookton | QQ1 and 13D, 52F | 1962 |
| Greig | Kate | Quintynilla, Aldersyde | QQ1 | 1925 |
| Greig | R. W. | Glen Avon, Beverley | 4GR and 28D, 109E | 1962 |
| Greig | T. W. | Wombernie, Kulin | 9XG | 1924 |
| Greig | Thos. | Riverton Estate, Victoria Park | T9G | 1924 |
| Greig & Rothbaum | - | Lerwick Fields, South Kwollyinn, Kellerberrin | 4GR | 1912 |
| Greig & Rothbaum | - | Lerwick Fields, South kwolyin, Kellerberrin | 4GR | 1924 |
| Greive | P. J. | Burrbanks Farm 3233, 3234, Narrogin | 5PG 40D, 107E | 1962 |
| Greville | H. R. | 3233, 3234, Bridgeton | 1ZT and 80D, 34E | 1962 |
| Greville | R. | The Cumberland, Bridgetown | 6DL and 45B, 16A | 1962 |
| Grewar | K. A. & L. M. | 1512, Esperance Gibson | K5L and 119D, 44E | 1962 |
| Grey | E. R. | Nannine | EG3 | 1912 |
| Grey | John | block 5391 and Sub. Lot 41, Geraldton | G9J | 1912 |
| Grey | John | Block 5391 and Sub Lot 41, Geraldton | G9J | 1924 |
| Grey | R. W. & R. C. | Summer Hill, North Dandalup | 8GE and 45D, 118E | 1962 |
| Grey & Smith | E. R. & L. L. | Mt. Seabrook, via Yalgoo | EG3 | 1924 |
| Grey-Smith | Frank | Spring Vale, Boyup Brook | FG8 | 1927 |
| Greyton | Frederick | Enfield Farm, Manjimup | F1G | 1928 |
| Grham | Constance Elleanor | Nelson District, Pemberton | EG7 | 1926 |
| Gribble | R. C. | Long Acres, Wickepin | 9KQ and 119B, 8A | 1962 |
| Gribble | S. H. | Logan Park, Wickepin | SG7 and 15B, 80E | 1962 |
| Gribble & Gribble | Kate & Reginald C. | Longacres Farm, Wickepin | 9KQ | 1925 |
| Grice | W. R. | Tarwilli, Kojonup | 2WG and 44A, 31B | 1962 |
| Grierson | L.W. & A. J. | La Colline, Carnamah | 0LG and 43D, 46E | 1962 |
| Grierson | W. J. | 123 and 125, Mundaring | 5GW and 50C, 5E | 1962 |
| Grieson | W. D. | Victoria Loc. 9921, Carnamah | W2G and 12A, 23B | 1962 |
| Grieve | George | Leschenault Loc. 9 and Lot 98, Burekup | G9Z | 1924 |
| Grieve | J. C. | Caren Valley, Dandaragan | DJ5 and 51F, 42C | 1962 |
| Grieve & Sons | A. | Fairholme, East Cuballing | W1W and 53F, 21C | 1962 |
| Grieves | John | Harvey | GJ3 | 1912 |
| Grieves | John | Harvey | GJ3 | 1924 |
| Griffen | Charles | Redhill, Jarring | 7pz | 1924 |
| Griffen | Francis | South Bunbury Commonage, South Bunbury | F5G | 1912 |
| Griffen | Francis | South Bunbury Commonage, South Bunbury | F5G | 1924 |
| Griffen | J. J. | Maroonah, Onslow | G7J | 1924 |
| Griffen | J. Wm. | The Glen, Upper Chapman | 6GJ | 1924 |
| Griffen | M. H. | Mt. Marshall, via Kununoppin | GQ1 | 1924 |
| Griffin | J. J. | Maroonah, Onslow | G7J | 1912 |
| Griffin | J. V. | Karria Park, Denmark | 6EG and 67B, 9E | 1962 |
