| Barr | Jas. | Badjiling, Quairading | 8JB | 1912 |
| Barr | M. S & C. W. | Vic. 8610 Gutha | D0X and 32D, 84E | 1962 |
| Barr | R. | Barrahgup, Mandurah | R0B and 16D, 30E | 1962 |
| Barr | R. W. | Lot 5 & 6 Loc 222221 Maddington | RB9 and 11D, 29E | 1962 |
| Barr & Sons | D. F. | Glen Laurall, Shackleton | 1DB and 23D, 46E | 1962 |
| Barr-Smith | Tom Elder | White Wells Station, Wubin | NY1 | 1926 |
| Barraclough Bros. | - | Avon Location 18252, Kailoa, via Kellerberrin | X3Y | 1924 |
| Barragunda Pastoral Co. | - | Barragunda, Georgina | 1BP and 102B, 103A | 1962 |
| Barrass | Joseph | Durham, South Tammin | N4B | 1924 |
| Barratt | W. G. | Block 11144, Nungarin | BN2 | 1912 |
| Barratt | W. G. | Block 11144, Nungarin | BN2 | 1924 |
| Barrell | A. A. | Moraning, Greenhills | 1BA | 1912 |
| Barrell | A. A. | Boraning, Greenhills | 1BA | 1924 |
| Barrett | A. | Yatevale, Kendenup | B8T and 28C, 110A | 1962 |
| Barrett | A. R & B. | Colwyn, Yillliminning | BB9 | 1962 |
| Barrett | Alfred Jack | Grenville, Grenville, Busselton | 5ZX | 1925 |
| Barrett | C. B. | Coodawa, Three Springs | BC6 and 49A, 37C | 1962 |
| Barrett | C. B. | Crooked Pool, Yilliminning | C1B and 71B, 21A | 1962 |
| Barrett | C. J. | Lake - View Diary, Denmark | J1B | 1962 |
| Barrett | C. J. | Loc. 5 Vasse, Busselton | V0J | 1962 |
| Barrett | D. F. | Pearcliff, Irwin | 1DF and 37C, 6E | 1962 |
| Barrett | D. K. | Ash. Loc. 356, Onslow | DK0 | 1962 |
| Barrett | H. | Loc. 6116, Katanning | 5KT and 39D, 14E | 1962 |
| Barrett | H. A. | Larnoo, Wickepin | ZV7 | 1912 |
| Barrett | H. A. | Larnoo, Wickepin | ZV7 | 1924 |
| Barrett | H. W. | Lots M, 1599, M 1600 & M 1652, Vic. Lot. 2021, Perenjori | R1P and 33D, 52F | 1962 |
| Barrett | Harold Edward | Wembledon, Newton | O8B | 1924 |
| Barrett | Harry | Livery Stables and Farm, Katanning | 5KT | 1924 |
| Barrett | Horace | Homestead Lease 178, Government Abattoirs, Kalgoorlie | U7B | 1924 |
| Barrett | J. H. | Loc.No. 6590 - 6591, Rosa Brook, via Margaret River | JB8 | 1962 |
| Barrett | L. H & B. L. C. | Balgarra, E. Bullsbrook | LB8 and 40D, 33E | 1962 |
| Barrett | M. T. & A. J. | Oldfields Locations 346/7, 44/119 and MHL 253, Box 17, Ravensthorpe | 2BB | 1928 |
| Barrett | R. H. | Santalia Farm, Bowgada | NU0 | 1927 |
| Barrett | R. J. | Koj. Loc. 6114, 7703, Badgebup | R8B and 106A, 50B | 1962 |
| Barrett | S. | 2027 - 2024, Denmark | 9LL and 16B, 15E | 1962 |
| Barrett | T.L. | Juneley Flats, Byford | JM0 and 23A,32B | 1962 |
| Barrett | Thomas | Kookynie | 6BV | 1924 |
| Barrett | W.H. | Beluah, Katanning | 5WV and 102A, 39B | 1962 |
| Barrett | Wm. Edward | Whiteley, Newton | YZ2 | 1924 |
| Barrett | Wm. George | Ivanhoe, Elgin | Y2U | 1924 |
| Barrett & Co. | A. W. | Warrallee, Broomehill | B8W and 42B, 5A | 1962 |
| Barrett & Horace | Bernard M. & R. | Lakeside, Dukin via Wyalkatchem | B2B | 1927 |
| Barrett & Marks | - | Santalia Farm, Bowgada | NU0 | 1924 |
| Barrett & Son | A. W. | Woodbridge, Ballidu | 4BT and 45B, 42E | 1962 |
| Barrett & Son | F. L. | Peel Est. 731, 729, Peel Est, E. Rockingham | B7T and 39C, 12E | 1962 |
| Barrett & Son | T. M. | Woodbine, Greehills | 2BB and 50B, 84 | 1962 |
| Barrett-Lenard Bros. | - | Belhus, Upper Swan | N7L | 1927 |
| Barrett-Lennard | A. | Wexcombe, Midland Junction | V7L | 1912 |
| Barrett-Lennard | A. | Wexcombe, Midland Junction | V7L | 1924 |
| Barrett-Lennard | A.D. & E.M. | Belhus, Beverley | 1BL and 39B, 28E | 1962 |
