| Garnett | B. F. | Clear Valley, Gnowangerup | OF7 | 1924 |
| Garnett | Benjamin | Blocks 596 & 593, Needilup | N7O | 1924 |
| Garnett | Charles Edward | Fitzgerald Locs. 398 and 1127, Salmon Gums | G4G | 1926 |
| Garnett | James | Glen Roy, Gnowangerup | J6A | 1912 |
| Garnett | James | Glen Roy, Gwnowangerup | J6A | 1924 |
| Garnett | L. D. & M. E. | Mt. View, Gnowangerup | GJ4 and 13B, 49E | 1962 |
| Garnett | N. E. & J. | Booleroo, Ongerup | 2WB and 14B, 35E | 1962 |
| Garnett | V. L. W. | Christmas Farm, Gnowangerup | VG0 and 71A, 11B | 1962 |
| Garnsworthy | A. R | Ravenswood, Morawa | 9AR and 117B, 5A | 1962 |
| Garnsworthy, Bird & Leonard | - | Cirtus Park (Lower Chittering), Bullsbrook | Y8L | 1924 |
| Garret | F. H. | A. 1152 Denbarker | F9G and 103B, 38A | 1962 |
| Garrett | G. | Sclarrett, Ardath | G7Q | 1924 |
| Garrett | John | Doongin, Southern Cross | 9BG | 1924 |
| Garrigan | T. F. & N. M. | Pigeoning, Yericoin | MG3 and 6C, 12E | 1962 |
| Garrigan | W. H. & P. W. | Franklyn Vale, Calingiri | 1IG and 28C, 117A | 1962 |
| Garrity | A. A. | Alton Park, Woodanilling | G2G and 80B, 13A | 1962 |
| Garrity | F. W. | Lot 81, Belmont | 0GF | 1962 |
| Garrity | J. L. & O. V. | Fairdene, Perenjori | V4H and 9B, 45E | 1962 |
| Garrity | P. | Greenhills, Broomehill | PG2 | 1912 |
| Garrity | P. | Greenhills, Broomehill | PG2 | 1924 |
| Garrity | W. M. | Glen Iris, Broomehill | WG5 | 1912 |
| Garrity | W. M. | Glen Iris, Broomehill | WG5 | 1924 |
| Garrow | R. F. H. | 2992 Swan, Bassendean | 4TG | 1962 |
| Garside | J. R. & G. M. | Bryneithin (Loc. Nos. 93 and 31), Gidgegannup | 1GM and 40B, 80A | 1962 |
| Garside & Choyce | J. & D. | Avon Locs. 16307 | GK7 | 1924 |
| Garstone | B. T. | Sussex Locs. 781, 782, Margaret River | B6G and 33C, 112E | 1962 |
| Garstone | C. | Kalang, Woodanilling | T7G and 3B, 80E | 1962 |
| Garstone | Cyril R. | Martling, Moojebing | 8RG | 1924 |
| Garstone | E. J. | Plantagenet 1578, King River, via Albany | SS2 and 47D, 41E | 1962 |
| Garstone | R. | 351 Home Block, Woodanilling | 6RG and 117D, 31E | 1962 |
| Garstone | S. | Wongalea, Cowaramup | GT5 | 1962 |
| Garstone | Tom | Martling, Katanning | T7G | 1912 |
| Garstone | Tom | Martling, Katanning | T7G | 1924 |
| Garstone & Son | C. R. | Martling, Katanning | 8RG and 3C, 3E | 1962 |
| Garstone & Sons | A.E. | Mazebrook, Margaret River | K0F and 42B, 46E | 1962 |
| Garth | Thomas | Locs. 6924, 6927, Carnamah | G9Y | 1924 |
| Gartner | V. E | Mardawarra, Mullalyup | C0G and 10B, 117A | 1962 |
| Gartrell | A. | Dingwall, Avon Locs. 4495, 5822. West Dale, Beverley | 5GA and 33A, 44B | 1962 |
| Gartrell | F. & J. | Mambini, West Brookton | T2G and 5D, 29E | 1962 |
| Gartrell | K. | Avon 9190, 10219, 17149, 10220, ppn. 8201, 5459-61, Brookton | KG7 and 45D, 106E | 1962 |
| Gartrell | W. H. | Redcliffe, Belmont | HG1 | 1912 |
| Gartside | H. | Greenacres, Australind | Y2U | 1962 |
| Garvey | J. L. | Kentucky, Dardanup | MG5 and 37D, 5E | 1962 |
| Garvey | Mary | Dardanup | MG5 | 1912 |
| Garvey | Mary | Dardanup | MG5 | 1924 |
| Garvey | P. & C. | Summerhill, Dardanup | 4PG and 14C, 17E | 1962 |
| Garvin | S. A. & E. R. | River Lyn, Balingup | SG8 and 28C, 114A | 1962 |
| Gascoye, Carrying Co. | - | Carnavon | GC6 | 1924 |
| Gascoyne Carrying Co. | - | Carnarvon, Carnarvon | GC6 | 1912 |
| Gascoyne Vermin Board | - | Gascoyne, Carnarvon | VB0 | 1912 |
