| Roberts | John | Rockville, Trayning | 6JR | 1928 |
| Roberts | John A. | Yatheroo, Dandarragan | 1JR | 1912 |
| Roberts | John A. | Yatheroo, Dandarragau | 1JR | 1924 |
| Roberts | K. A. | Wellington Locs. 3739, 3828, 4736, Capel | 5RO and 117D, 47E | 1962 |
| Roberts | K. S. | Mulgarup, 99, 338, Elgin | 0KR | 1962 |
| Roberts | L. | Hurdle Gully, East Wagin | RL0 and 6B, 14A | 1962 |
| Roberts | L. B. | Nyora, York | 1OR and 31D, 37E | 1962 |
| Roberts | Len | Loc. 16624, Kondinin | 2YR | 1924 |
| Roberts | M. D. C. | Ormiston, Lake Yealering | D2R | 1924 |
| Roberts | Maitland W. | Yatheroo, Dandarragan | V3V | 1924 |
| Roberts | Maurice | Coondle, Newcastle | RB2 | 1912 |
| Roberts | Maurice | Coondle, via Toodyay | RB2 | 1924 |
| Roberts | Mrs A. M. | Tregony Farm, Lower Blackwood | L2R | 1924 |
| Roberts | Mrs M. A. E. | Rosemore Capel | M7A | 1924 |
| Roberts | Mrs. A. M. | Tregony Farm, Lower Blackwood | L2R | 1912 |
| Roberts | Mrs. M. A. E. | Rosemore, Capel | M7A | 1912 |
| Roberts | N. W. | Hillside, Capel | F0M and 1C, 55F | 1962 |
| Roberts | P. W. | Eruption Hill, Koj. Locs. 4055 & 3321, Broomehill West | YR6 | 1924 |
| Roberts | R. C. | Lot 140, Greenfield, Capel | HR0 | 1962 |
| Roberts | R. R. | The Ridge, Southern Cross | RR9 | 1912 |
| Roberts | R. R. | The Ridge, Southern Cross | RR9 | 1924 |
| Roberts | R. W. C. | Doungup, Capel | JR6 and 50C, 103E | 1962 |
| Roberts | Robert S | Fron Dog Farm, Welsh Settlement, via Coomberdale | 1RZ | 1924 |
| Roberts | S. C. | Dowlering, Wagin | 9RR and 45C, 117E | 1962 |
| Roberts | S. V. | Newera Eliya, Elgin | 4SR | 1962 |
| Roberts | Saml. | Wardering, Woodanilling | SR4 | 1912 |
| Roberts | Saml. | Wardering, Woodanilling | SR4 | 1924 |
| Roberts | Samuel C. | Mayup Estate, Kojonup | 7SR | 1927 |
| Roberts | T. L. | Mandeakin, Beverley | QV1 | 1912 |
| Roberts | T. L. | Mandeakin, Beverley | QV1 | 1924 |
| Roberts | Thomas & Timothy | Hillview Farm, Byford | T3R | 1926 |
| Roberts | Thos. J. | Commonage, Broome | 2TJ | 1912 |
| Roberts | Thos. J. | Broome | 2TJ | 1924 |
| Roberts | Thos. W. | Rosemore, Capel | TR3 | 1912 |
| Roberts | Thos. W. | Rosemore, Capel | TR3 | 1924 |
| Roberts | V. G. | Rosemore Farm, Elgin | 2VE and 36D, 37E | 1962 |
| Roberts | Vernon | Rosemore, Capel | 2VE | 1912 |
| Roberts | Vernon | Rosemore, Capel | 2VE | 1924 |
| Roberts | W. | Sandridge, Capel | VT0 | 1962 |
| Roberts | W. A. | Capel River, Capel | 0RQ | 1924 |
| Roberts | W. D. | Strathdaly, Esperance Loc. 1505, Esperance | DS0 and 117D, 26E | 1962 |
| Roberts | W. F. | Springfield, Capel | D1H and 38C and 11E | 1962 |
| Roberts | W. J. | Cornelly Place, Capel | J4U | 1924 |
| Roberts | W. L. & L. R. | Locs. 13636-7, Nornakin, via Bruce Rock | L3R | 1924 |
| Roberts | W. W. | Lynella, Woodanilling | SR4 and 39B, 107A | 1962 |
| Roberts | Wm. | Hoorthanna, Doodlakine | 7OR | 1924 |
| Roberts | Wm. Chas. | Lowan, Ravensthorpe | V6N | 1924 |
| Roberts | Wm. Hy. | Sand Plain Farm, Ejanding | 3UR | 1924 |
| Roberts & Butlin | H. W. Jas. | Avon Loc. 14955, Korrelocking | QR2 | 1924 |
| Roberts & Co. | E. A. | Hillcreast, Bridgetown | YM5 and 3D, 22E | 1962 |
