| Watkins | Frank | Blocks 100, 2, 3, Nangeenan | F9W | 1912 |
| Watkins | Frank | Blocks 100, 2, 3, Nangeenan | F9W | 1924 |
| Watkins | G. | Hay 1027, 345, Rockmia, Cranbrook | R5G and 3C, 21A | 1962 |
| Watkins | G. W. G. | The Chestnuts, Jarrahdale | ZY1 | 1912 |
| Watkins | G. W. G. | The Chestnuts, Jarrahdale | ZY1 | 1924 |
| Watkins | M. I. | Carinya, Cranbrook | 7MJ and 28B, 15E | 1962 |
| Watkins | May | Common, Carnavon | M8Q | 1924 |
| Watkins | S. C. | Tregeare, Nelson 1883-5, Dinniup | SW5 and 110B, 109A | 1962 |
| Watkins | T. M. | Horse Dealer, Halls Creek | T9T | 1912 |
| Watkins | V. | 2587, 3735, Metricup, via Busselton | 6VW | 1962 |
| Watkins | V. M. | Payneham, Cranbrook | V9W and 5B, 40E | 1962 |
| Watkins & Jones | F. E. & H. L. | Kent Loc.341, Ongerup | VJ6 | 1924 |
| Watkins & Son | G. G. | The Chestnuts, Jarrahdale | W4S and 23B, 37A | 1962 |
| Watkins (Horse Dealer) | T. M. | Hall's Creek | T9T | 1924 |
| Watson | A. D. | Avon Loc. 20601, Jennapullen | ZY6 | 1924 |
| Watson | A. W. | Victoria 9918, Carnamah | N1W and 11B, 109A | 1962 |
| Watson | Albert | Cross Street, Osborne | 9AU | 1924 |
| Watson | Alex | Yoweragabbie Station, Yoweragabbie | 1JU | 1924 |
| Watson | Alex. | Youragabbie, Youragabbie | 1JU | 1912 |
| Watson | Alexander | Roe Locs. 154, 615, Lake Grace | 9XV | 1925 |
| Watson | Andrew | Hill View, Circle Valley | A1W | 1927 |
| Watson | Annie C. | Mt. Magnet, Mt. Magnet | OC1 | 1912 |
| Watson | Annie C. | Mt. Magnet | OC1 | 1924 |
| Watson | Archie | Duckling Mining, Round Hill, via Moora | 4WZ | 1924 |
| Watson | C. | Ucarty, Goomalling | WN2 | 1912 |
| Watson | C. | Uearty, via Goomalling | WN2 | 1924 |
| Watson | C. A. & M. F. | Watsonia, Minganew | C7O and 9B, 116A | 1962 |
| Watson | C. E. | Hill View, Jennapullin, via Northam | W4W and 23D, 50E | 1962 |
| Watson | Chris. | Yarradagee, Mingenew | AT1 | 1912 |
| Watson | David | Oakhill Farm, Yarramony | UW2 | 1924 |
| Watson | E. M. | Cadgybin, Bencubbin | 7VW and 7C, 34E | 1962 |
| Watson | E. W. | Glen Roy, 21754, 18131, 78132, Southern Brook, via Northam | E3W and 3B, 38A | 1962 |
| Watson | Edward | Eastern Creek, Nullagine | YU2 | 1912 |
| Watson | Edward | Eastern Creek, Nullagine | YU2 | 1924 |
| Watson | Est. of H. A. (Dec'd) | Prospect Farm, Wagin | H0A and 35B, 11E | 1962 |
| Watson | F. | Block 26617/55, 15845/74, Bungulla | 6FW | 1912 |
| Watson | F. | Blocks 26617/55, 15845/74, Bungulla | 6FW | 1924 |
| Watson | F. J. | Castle Rock, Meckering | P9W and 38B, 50A | 1962 |
| Watson | Frank Humphrey | 23 Alfonso Street, N. Perth, Warbrook | KX6 | 1926 |
| Watson | Fred J. | Bellgrove, Jennapullen | F1U | 1924 |
| Watson | G. | Thornlea, Lake Pingarnup via Pingrup | 6GW and 44D, 4E | 1962 |
| Watson | G. E. | 3538-9, 1122, 2976, 5740, 13080-1, 6863, 7020, 7293, 5853, Cuballing | GW8 and 22C, 16A | 1962 |
| Watson | G. J. | Gale Farm, Northam | GW6 and 50B, 104E | 1962 |
| Watson | G. W. | Kynterne, Boyerine | G6N | 1912 |
| Watson | G. W. | Kynterne, Boyerine | G6N | 1924 |
| Watson | Geo. | Walebing Park, Walebing | G0W | 1912 |
| Watson | Geo. | Nilgherry, Yornaning | G1W | 1912 |
| Watson | Geo. | Walebing Park, Walebing | G0W | 1924 |
| Watson | Geo. | Nilgherry, Yoraning | G1W | 1924 |
| Watson | Geo. R. | Moonlight, Three Springs | 0GW | 1912 |
