| Griggs & Daughters | E. M. | Lots. 641, 642, 521, 522 and 612, Scaddan | G2Z and 12C, 7E | 1962 |
| Grigo | W. E. | Pilbarra, Nullagine | WE7 | 1912 |
| Grigo | W. E. | Pilbarra, Port Hedland | WE7 | 1924 |
| Grigor | W. A. | Locs. Nos. 700-710, Esperance | WG9 and 8A, 14B | 1962 |
| Grigsby | E. T. | Mt. Kokeby | XZ3 | 1924 |
| Grigsby | William James | Banksia Farm, Mount Kokeby | 8UQ | 1925 |
| Grigson | Alfred | Boyd's Farm, Burge's Siding | 7AG | 1912 |
| Grigson | Alfred | Boyds Farm, Burges Siding | 7AG | 1924 |
| Grigson | E. S. & F. A. | Cockle Shell Gulley, Dandarragan | S0N | 1927 |
| Grigson | F. A. | Cookleshell Gully, Dandarragan | 9FL | 1912 |
| Grigson | F. A. | Cockleshell Guly, Dandarragan | 9FL | 1924 |
| Grigson | F. A. | Cockleshell Gully, Dangaragan | 9FL and 4D, 15E | 1962 |
| Grigson | Percival E. | Boyds Farm, Burges Siding | P7G | 1924 |
| Grima | N. | 6840, Tardun | NG7 and 37B, 47A | 1962 |
| Grime | S. McK. | Glenmore, Balingup | 6OG and 21C 11E | 1962 |
| Grime | W. O. | Glenmore, Balingup | 6OG | 1924 |
| Grimshaw | R. | Meerup Farm, Northcliffe | 2GR | 1962 |
| Grindell | G. J. | Aorangi Chinocup via nyabing | G1G and 48B, 71E | 1962 |
| Grinham | Adelaide Beatrice | Ernleigh Farm, Busselton | A2G | 1928 |
| Grisewood | Francis | New Forest, Yalgoo | 1NF | 1924 |
| Grist | W. S. | Broadacres, Lake Varley | BOG and 43C, 10A | 1962 |
| Grist | Wm. | Dale Valley, West Dale | W9G | 1912 |
| Grist | Wm. | Dale Valley, West Dale | W9G | 1924 |
| Grocock | J. H. & F. G. | Dianedale, Gnowangerup | 7GG and 33C, 9E | 1962 |
| Grocock | W. T. & P. M. | Girraween, South Stirling | WG7 and 20C, 16E | 1962 |
| Grogan | P. J. | Cashel Farm, Bassendean | JG2 | 1962 |
| Grogan | W. P. | Murray Locs. 1032, 221, 82, Holyoake | BU6 and 6A, 47B | 1962 |
| Grogan & Sons | J. & N. | Avon 12294, 15566, 15571-4-7, 21482 Murray Locs. 1032, 221, 82, Tryning | F1J and 47A, 33B | 1962 |
| Grondal | J. W. | Collie | XG8 | 1924 |
| Grondal | J. W. | Wellington Locs. 1719, 3949, Buckingham Mill, via Collie | XG8 | 1962 |
| Grono | F. | Canning Loc. 32, Lots 1, 2 and 4, Bedford | F9G and 34D, 24E | 1962 |
| Gronow | D.I. | Victoria 8499 Caron | D1G and 28A, 24B | 1962 |
| Gronow | J. V. | Rubystone, Dalwallinu | KS9 | 1924 |
| Gronow | L. R. | West End, Moora | LG4 and 80A, 34B | 1962 |
| Gronow & Son | G. L. & C. | Grovalley, Coorow | 4GS and 12B, 59F | 1962 |
| Groom | Arthur | Highfield Farm, Wagin | AG4 | 1912 |
| Groom | Harry P. | Lone Pine Farm, Cross Roads, Pingelly | 1PG | 1924 |
| Grose | John & Charles | Brookmans Estate, Cannington | 5GO | 1924 |
| Grose | Wm. James | Woodlands, Kumminin | 1GZ | 1924 |
| Groser | Ernest W. | Mani, via Manjimup | UG9 | 1924 |
| Groser & Co. | H. W. | Mandialein, Cum Glen Athur, Beverley | GX0 | 1924 |
| Groser Co. | H. W. | Maudialein, Beverley | GX0 | 1912 |
| Grosina & Son | D. & A. | 72/75, 159, Lot 63A, Waroona | DG6 and 18B, 41E | 1962 |
| Grosskoff | B. A. | The Downes Yericoin | B7G and 102B, 55F | 1962 |
| Grossman | A. A. W. | Elouera, Kojonup | G8N and 28A, 50C | 1962 |
| Grossman | A. W. & B. | Norla (7505/7506/8133/8104), Kojonup | A8G and 7C, 119A | 1962 |
| Grossman | F. W. | Block 15534, Yelbeni | 7FG | 1912 |
| Grossman | F. W. | Block 15534, Yelbeni | 7FG | 1924 |
| Grossman | L. W. | Loc. 19280, Korrelocking | 7GU | 1924 |
| Grossman | P. | The Terrace, Yelbeni | AG7 and 48A, 21B | 1962 |
