| Thomas | M. Jane | Fernvale, Capel | 5JJ | 1924 |
| Thomas | M. L. | Cocanarup, Ravensthorpe | M7T and 21B, 17E | 1962 |
| Thomas | M. W. | Coly Farm, Tingledale, via Denmark | 9SA and 117D, 9E | 1962 |
| Thomas | M.D. | Moondine, Moora | MT2 | 1912 |
| Thomas | Martha | Commonage, Roebourne | MT1 | 1912 |
| Thomas | Martha | Commonage, Roebourne | MT1 | 1924 |
| Thomas | Mary | Riverina, Capel | MA2 | 1912 |
| Thomas | Mary | Riverina, Capel | MA2 | 1924 |
| Thomas | P.W. & P. J. | 6104-5, Mullewa | 8PT and 9B, 3E | 1962 |
| Thomas | Percy | Woodstock, Pt. Hedland | Q4N | 1924 |
| Thomas | R. | Arrowdale, South Kumminin | RT4 and 20B, 116A | 1962 |
| Thomas | R. A. | Hay 2169, Denbarker | TT8 and 114B, 27A | 1962 |
| Thomas | R. C. | Hill View Dairy, Karnup, Peel Estate | D1T and 11C, 41E | 1962 |
| Thomas | R. E. | Birtley Farm, Baandee | R6T | 1924 |
| Thomas | R. G. | Glenmore, Greenhills | R0T | 1928 |
| Thomas | R. H. | Denry Dale, East Pingelly | RT4 and 44B, 34A | 1962 |
| Thomas | R. L. | Loc. 1862, Kronkup, Albany | 1CT and 14B, 27A | 1962 |
| Thomas | R. N. | 1440, 2225, Biroomba, Hyden | 2RN and 118B, 30A | 1962 |
| Thomas | R. P. | Perup River, Manjimup | TV6 | 1924 |
| Thomas | Roy & Cleve | Lease Perup River, Manjimup | 9TY | 1924 |
| Thomas | S. | 396/724, Halls Creek | 7UT and 21B, 67A | 1962 |
| Thomas | Saml. J. | Green Valley | 7JT | 1912 |
| Thomas | Samuel J. | Green Valley, Northampton | 7JT | 1924 |
| Thomas | Stephen | Capel | 7ST | 1912 |
| Thomas | Stephen | Capel | 7ST | 1924 |
| Thomas | T. Pharoah | Lot 247, Centre St., Queen's Park | 8OT | 1924 |
| Thomas | Theo. | Hope Valley, Rockingham | NT0 | 1924 |
| Thomas | Thos. | Lake Hinds, Wongan Hills | TZ9 | 1924 |
| Thomas | W. | Bundiwarra Farm, Maya | 0NX and 21D, 115E | 1962 |
| Thomas | W. | 1086, Ballidu | 6XT and 21D, 49E | 1962 |
| Thomas | W. D. M. | Carmathen Farm, Dowerin | TZ9 and 39B, 106A | 1962 |
| Thomas | W. E. | Austerlin, Broomhill | WT5 | 1912 |
| Thomas | W. E. | Austrelin, Broomehill | WT5 | 1924 |
| Thomas | W. G. | Riverview Farm, Camballing, Marradong | WU9 | 1924 |
| Thomas | W. H. | Kentucky Stud, Serpentine | 1TX | 1962 |
| Thomas | W. J. | Thomaston, Carbarup Siding, near Mt. Barker | TN3 | 1924 |
| Thomas | W. J. | Gum Creek, Mullewa | U7T | 1924 |
| Thomas | W. J. | Kent 1030, 1423-4, Pingrup | W2T and 29B, 27A | 1962 |
| Thomas | W. J. & E. M. | Peel Estate Lots 743, 744-5, 1003, 1010-1-4-9, 1012-3-5, Peel Estate | WJ0 and 38C, 120E | 1962 |
| Thomas | W. J. A. | Ravenswood Farm, Pinjarra | T0S and 13D, 57F | 1962 |
| Thomas | W. R. B. | P.L. Ord River, Halls Creek | 9RE | 1912 |
| Thomas | W. R. B. | P.L. Ord Riveer, Hall's Creek | 9RE | 1924 |
| Thomas | W. R. L. | Lilydale, Mt. Barker | T4V | 1962 |
| Thomas | W.G | Riverview Farm, Camballing Marradong | WU9 | 1912 |
| Thomas | W.R.B | P.L., Ord River, Hall's Creek | 9RE | 1912 |
| Thomas | Wilfred | Bindwarra Farm, Maya Siding | 0NX | 1924 |
| Thomas | William | Ethelvale, Kulyaling | W6T | 1912 |
| Thomas | Wm. | Thomas Fram, Katanning | UT9 | 1912 |
| Thomas | Wm. | Avon Loc. 62, Cowcowering | 3NT | 1924 |
| Thomas | Wm. | Loc. 1086, Ballidu | 6XT | 1924 |
