| Newton | C. | 2750-1, Ballidu | U7N and 35D, 105E | 1962 |
| Newton | E. H. | Avon Loc. 17976, 26-Mile, Dowerin | ON3 | 1924 |
| Newton | E. M. | Witton, Wongan Hills | NT7 and 50C, 8E | 1962 |
| Newton | Edward F. | Chowerup, Dwalganup | 7EN | 1924 |
| Newton | Ellenor | Kenanstal, Pingelly | N7V | 1924 |
| Newton | F. | Rydecroft Dairy, Kojonup | F1N and 43B, 5E | 1962 |
| Newton | G. E | Loc. 12, Lots 28-9, 30-1, Esperance | R0X and 59F, 118D | 1962 |
| Newton | G. P. | Youanme | G9N | 1924 |
| Newton | J. E. | Meljonba, Broomehill | N5N and 116A, 36B | 1962 |
| Newton | J. T. | Cranbrook | 6TY | 1928 |
| Newton | K. C. | Victoria 1904, Mingenew | K7N and 14A, 33C | 1962 |
| Newton | T. R. G. | Part Lot 76, Loc. 16 Plantagenet 1833, Swan View | TN1 and 84B, 35E | 1962 |
| Newton | V. H. | Warrabel, Kojonup | V2N and 43C, 105E | 1962 |
| Newton & Co. | E. C. | Bramley and Gnootowa, Mingenew | N2J and 102E, 17B | 1962 |
| Newton & Co. | G. E. & M. V. | Avon Bend, Brookton | 0GN and 15C, 18A | 1962 |
| Newton Bros. | - | Bacton Estate, Mingnew | 2NB | 1912 |
| Newton Bros. | - | Bacton Estate, Mingenew | 2NB | 1924 |
| Niblock | Alice | Wong Wong Farm, Watheroo | A5N | 1924 |
| Nice | C. E. F. | Stony Ridge, Nangeenan | Y7N | 1924 |
| Nichol | R. B. | Glengarry Farm, Doodlakine | 5RN | 1924 |
| Nicholas | A. D. | Allanvale, Gnowangerup | 4DN and 111B, 28E | 1962 |
| Nicholas | C. G. | Commonage, Ravensthorpe | C7N | 1912 |
| Nicholas | C. G. | Commonage, Ravensthorpe | C7N | 1924 |
| Nicholas | J. F. & R. | The Crescent, Chidlow's Well | NF9 | 1924 |
| Nicholas | James | Fresh Water Camp Station, Sharks Bay | M5D | 1924 |
| Nicholas | R. B. | Illoura, Canningvale | 8RN | 1962 |
| Nicholas | Reg. A. | South Donwns, Canna | R4Z | 1924 |
| Nicholas | T. R. | Yilgarn Loc. 178, Walgoolan | 5NX | 1925 |
| Nicholas | Wm. | Southhampton, Balingup | WN9 | 1912 |
| Nicholas | Wm. | Southampton, Balingup | WN9 | 1924 |
| Nicholas & Son | K. E. & A. M. | Mongup, Borden | KN1 and 9D, 42E | 1962 |
| Nicholas & Wills | - | Wyndidda Springs, Lawlers | N1C | 1912 |
| Nicholas & Wills | - | Wyndidda Springs, Lawlers | N1C | 1924 |
| Nicholas Bros. | - | Allanvale, Gnowangerup | C7N and 15B, 35E | 1962 |
| Nicholl | H. & A. & C. | Roe 813, Hyden | I2N and 80E, 6C | 1962 |
| Nicholl | N. K . | Loddis Well, Muja | NC7 | 1912 |
| Nicholl | N. K. | Loddis Well, Muja | NC7 | 1924 |
| Nicholl & Sons | - | Tresillian, Doodlakine | 1NB | 1912 |
| Nicholl & Sons | - | Tresillian, Doodlakine | 1NB | 1924 |
| Nicholls | A. | Eastern Creek, via Nullagine | 7CU | 1912 |
| Nicholls | A. | Eastern Creek, via Nullagine | 7CU | 1924 |
| Nicholls | A. B. & T. A. | Fern Glen, Pingelly | A1N | 1912 |
| Nicholls | A. B. & T. A. | Fern Gully. Pingelly | A1N | 1924 |
| Nicholls | A. E. | Brooklyn, Donnybrook | E1N | 1912 |
| Nicholls | A. E. | Brooklyn, Donnybrook | E1N | 1924 |
| Nicholls | A. H. | Bunkin Farm, Piesse, West | N0A | 1924 |
| Nicholls | A. W. | Loc. 2025711, Elabin | N0X | 1924 |
| Nicholls | B. W. | 27020-1, 20019, 20028, Shackleton | NB6 and 42B, 113E | 1962 |
| Nicholls | C. | Elgin Park, Elgin | PM0 and 116D, 24E | 1962 |
| Nicholls | C. & V. E. | Melrose, Pithara | CN1 and 105A, 41B | 1962 |
