| Watson | Geo. R. | Moonlight, Three Springs | 0GW | 1924 |
| Watson | H. A. | Prospect Farm, Wagin | H0A | 1912 |
| Watson | H. A. | Prospect Farm, Wagin | H0A | 1924 |
| Watson | H. J. | Commonage, Roebourne and Ballaballa | H1W | 1912 |
| Watson | H. J. | Commonage, Roebourne and Ballaballa | H1W | 1924 |
| Watson | H. J. | Riverview, Yarramony | WW3 and 12D, 10E | 1962 |
| Watson | H. L. & G. | Lot 249, Helena Valley | H0L and 12B, 29E | 1962 |
| Watson | H. P. | Coolooli, Maya | PY2 | 1924 |
| Watson | Harry | Northam | NH2 | 1912 |
| Watson | Harry | Heaton Farm, Cowcowing | 6UW | 1924 |
| Watson | Harry | Northam | NH2 | 1924 |
| Watson | Henry Geo. | Swanto Orehard, Argyle | 0XW | 1924 |
| Watson | J. | Kondinin | 5WQ | 1924 |
| Watson | J. | Melbourne Loc. 3572, Gillingarra | 5WA and 4B, 41E | 1962 |
| Watson | J. C. & T. M. | 4846, Narrikup | J6T and 67D, 104E | 1962 |
| Watson | J. G. | Oaklands, Narrogine | 5WA | 1912 |
| Watson | J. G. | Oaklands, Narrogin | 5WA | 1924 |
| Watson | J. H. | Avon Loc. 1829 Lot 5, Bolgart | W5J and 19C, 112A | 1962 |
| Watson | James | Block 395, Lake View, Lake Pingarnup, Nyabing | O6W | 1924 |
| Watson | Jas. | Jennapullin, Northam | 8WN | 1912 |
| Watson | Jas. | Jennapullen, Northam | 8WN | 1924 |
| Watson | John | Bellbord, Kojonup | 5JW | 1912 |
| Watson | John | Bellbord, Kojonup | 5JW | 1924 |
| Watson | Jos. | Vasse Road, South Bunbury | P9W | 1924 |
| Watson | L. | Victoria Locs. 7991 and 7726, Maya | 3LW and 17C, 23A | 1962 |
| Watson | L. R. | M. 939, M. 1047, Carnamah | 9BN and 102B, 11A | 1962 |
| Watson | Laurie Robt. | Glenlowie, Boyerine Siding | LR4 | 1924 |
| Watson | M. C. S. | Glen-Avon, Aldersyde | EZ9 and 102D, 20E | 1962 |
| Watson | Mrs Robt. & Son | The Brook, Boyerine, via Wagin | UO2 | 1924 |
| Watson | Mrs. I. C. | Brangee Park, Pinegelly | 6WN | 1912 |
| Watson | N. | Locs. 111-2, Newdegate | NW0 and 39B, 67A | 1962 |
| Watson | O. D. | Nortonvale, Mt. Barker | OW2 and 33C, 31A | 1962 |
| Watson | O. N. | Plantagenet Loc. 79 Upper King River, via Albany | NW0 and 36B, 31E | 1962 |
| Watson | P. J. | Mundrabilla, Forrest | Q1W | 1924 |
| Watson | P. N. | H.F. 8779/74, Wickepin | PW4 | 1912 |
| Watson | P. N. | H. F. 8779/74, Wickepin | PW4 | 1924 |
| Watson | R. A. | Red Hills, Carnamah | 6RE and 16C, 116A | 1962 |
| Watson | R. G. | Ulva, Cuballing | F2O and 40D, 42E | 1962 |
| Watson | R. J. | Lakeside Apairy, Mandurah | R4W and 25D, 43E | 1962 |
| Watson | R. J. | Brooklyn, Wyening | WO7 and 23D, 113E | 1962 |
| Watson | R. W. | Bridlington Farm, Katanning | WW7 | 1912 |
| Watson | R. W. | Bridlington Farm, Katanning | WW7 | 1924 |
| Watson | R. W. | Canning Loc. 32 (plan 4850), Roleystone | 0WR and 48D, 43E | 1962 |
| Watson | Robt. | Marble Bar | WL6 | 1912 |
| Watson | Robt. | Marble Bar | WL6 | 1924 |
| Watson | S. J. | Yarradagee, Strawberry | SJ0 | 1912 |
| Watson | S. J. | Yarragadee, Strawberry | SJ0 | 1924 |
| Watson | S. R. & P. S. | Hill View, Kukerin | 4SW and 9D, 28E | 1962 |
| Watson | T. | Farm, Wagin | NW9 | 1924 |
| Watson | T. C. S. | Glen Avon Farm, Aldersyde, East Brookton | EZ9 | 1926 |
