| Tomlinson | T. | Rose Hill, Narrikup | 5KG | 1924 |
| Tomlinson | W. J. | Prospect, Armadale | 7TN | 1924 |
| Tomljanovich | A. | Locs. 16968, 18050, Muntadgin | 8BO and 53F, 47B | 1962 |
| Tomney | F. | Mt. Hardy and Poole Street, York | F2T | 1912 |
| Tomney | F. | Mt. Hardy and Poole Streets, York | F2T | 1924 |
| Tomney | John | Avon View, York | TO4 | 1924 |
| Tomney | P. A. | Cold Harbour, York | 7PT and 16C, 110E | 1962 |
| Tompsett | Harold | Loc. 212, Loc. 1774, P.O. Byford | 1TH | 1927 |
| Tompsett | J. H. | Loc. 2109, Yallingup | 5TH | 1962 |
| Tompsett | J. H. & L. V. | Sussex 2266, 1773-4, 3194, Tutunup | T1H and 16B, 19E | 1962 |
| Tompsett | L. F. | Sussex Loc. 3203, Tutunup | LT5 | 1962 |
| Tompson | C. | Kenwick | LT9 | 1924 |
| Tompson | Eliz. | Steer Farm, Hopetoun | 8ZJ | 1924 |
| Tomsett | L. A. G. | Cathlaw, Kalannie | B1T | 1962 |
| Tomsett | Wm. V. | Walkaway | 7QU | 1924 |
| Tomsett & Co. | - | Cathlaw Farm, Kalannie | DS1 and 32D, 10E | 1962 |
| Tonge | Geo. E. | Puddlecutting, Kellerberrrin | T3E | 1912 |
| Tonge | Geo. E. | Puddlecutting, Kellerberrin | T3E | 1924 |
| Tonkin | A. & I. | Glenmaggie, Chittering | AT0 and 14D, 115E | 1962 |
| Tonkin | A. E. | Hill Farm, Serpentine | AE9 | 1912 |
| Tonkin | A. E. | Hill Farm, Serpentine | AE9 | 1924 |
| Tonkin | A. M. E. | 788, Serpentine | 4VB and 47D, 44E | 1962 |
| Tonkin | A. R. | Nyerri, Coomberdale | T1N and 47D, 44E | 1962 |
| Tonkin | B. | Jefferson Downs | BT9 and 44C, 113A | 1962 |
| Tonkin | Charles P. | Common, Serpentine | CP5 | 1912 |
| Tonkin | Chas. P. | Common, Serpentine | CP5 | 1924 |
| Tonkin | F. H. C. | Crystal Stream, Keysbrook | 0KT and 32D, 33E | 1962 |
| Tonkin | H. E. | Merrieville Farm, Serpentine | HV3 | 1912 |
| Tonkin | H. E. | Merrieville Farm, Serpentine | HV3 | 1924 |
| Tonkin | J. F. | Niknot, Campion | JT4 and 49C, 14A | 1962 |
| Tonkin | J. R. N. | Kenilworth, Coomberdale | RN8 and 12B, 117E | 1962 |
| Tonkin | Jack Foss | Geelakin, via Burracoppin | JT4 | 1926 |
| Tonkin | John A. | Kooringa, Coomberdale | AT2 | 1924 |
| Tonkin | Matthew E. | Keysbrook Farm, Keysbrook | FS4 | 1924 |
| Tonkin | N. H. | Wahroonga and Westways, Coomberdale | N0T and 80C, 56F | 1962 |
| Tonkin | N. S. | Serpentine | NT1 | 1912 |
| Tonkin | N. S. | Serpentine | NT1 | 1924 |
| Tonkin | N. W. | West Way, Coomberdale | NT3 and 71B, 119A | 1962 |
| Tonkin | R. | Nyerri, Coomberdale | 3ZT | 1962 |
| Tonkin | Richard G. | Hope Farm, Serpentine | GT5 | 1924 |
| Tonkin | Richard. G. | Hope Farm, Serpentine | GT5 | 1912 |
| Tonkin | S. F. | Onslow | 2XT | 1924 |
| Tonkin | S. J. | Menangina Station, Kalgoorlie | 2XT and 18B, 32A | 1962 |
| Tonkin | S. R. F. | Keysbrook Farm, Keysbrook | F4S and 42C, 43A | 1962 |
| Tonkin | Thos. H. | Kwakkalup, Young's Siding | T7Z | 1924 |
| Tonkin | W. A. F. | 13 Wilcox Street, Chidlow | 5UT | 1962 |
| Tonkin | W. H. & M. | Kooringa,Coomberdale | A4T and 12C, 9E | 1962 |
| Tonkin | Wm. S. | Busselton and Vasse River, Busselton | S1T | 1912 |
| Tonkin | Wm. S. | Busselton & Vasse River, Busselton | S1T | 1924 |
| Tonkins | W. | Chidlow's Well | 5UT | 1924 |
