| Stedman | L. D. & M. | William12335, 10783, 9734, 9622, 11930 | 4DS and 26B, 22E | 1962 |
| Stedman | W. A. D. | Beddington, Kukerin, near Lake Grace | 4DS | 1924 |
| Steel | H. C. | Location 602, Esperance | 3YX | 1924 |
| Steel | J. H. | Riversdale Station, Nullagine | E0J | 1912 |
| Steel | J. H. | Riversdale Station, Nullagine | E0J | 1924 |
| Steel | Lowham | Bonnie Vale Farm, Wanneroo | SL5 | 1924 |
| Steel | Robt. A. | Leonora | Z5R | 1924 |
| Steele | A. | Wongoondy 13, Mullewa | A9S and 45D, 16E | 1962 |
| Steele | Andrew | Wellington Location 132156, Donnybrook | 3SQ | 1924 |
| Steele | Chas. A. | Busselton | 5AS | 1912 |
| Steele | Chas. A. | Busselton | 5AS | 1924 |
| Steele | J. | Spring Dale, Highbury | 2DS and 49B, 43E | 1962 |
| Steele | J. | Loc. 3958, 3587, 3586, Highbury | JT3 and 34D, 103E | 1962 |
| Steele | J. M. | Mendel Lot 6, Mullewa | SZ8 and 4D, 118E | 1962 |
| Steele | J. P. | Bonnievale, Wanneroo | JZ1 | 1912 |
| Steele | J. P. | Bonnievale, Wanneroo | JZ1 | 1924 |
| Steele | J. T. | Blocks 1504, 1787, 1253, Wanneroo | JZ1 and 22B, 110E | 1962 |
| Steele | J. W. | Blocks 1504, 1787, 1253, Wanneroo | JW9 and 45C, 14E | 1962 |
| Steele | K. J. & D. E. | Swan 1205, Redhill | KJ4 and 47B, 25E | 1962 |
| Steele | W. L. | Lot 12 Mendel Estate, Mullewa | 5SE and 4B, 116A | 1962 |
| Steele & Co. | H. | Woodside, Dongara | J4S and 54F, 47D | 1962 |
| Steenson | B. L. | Ninghan 1164 and 3782 | B8S and 19B, 26E | 1962 |
| Steer | E. W. | Crossform, Broome Hill | S5E | 1924 |
| Steer | J. H. | Arrawarra, Watheroo | 3JH and 46D, 116E | 1962 |
| Steer | R. R. | Lot 634, Esperance | R2S and 114D, 54F | 1962 |
| Steer | W. R. | Limehill, Muchea | 6VS and 11D, 116E | 1962 |
| Steer | Wm. Henry | Barracca Farm, Muchea | 6VS | 1924 |
| Steere | E. W. | Crodssform, Broome Hill | S5E | 1912 |
| Steere | F. W. | Wogalin Gate, Dorakin | 3ST | 1912 |
| Steere | F. W. | Wogalin Gate, Dorakin | 3ST | 1924 |
| Steere & Son | F. A. | Yamba Dudinin | 3ST and 107B, 26E | 1962 |
| Steere & Son | W. C. W. | Karinga, Dudinin | SW3 and 31B, 43E | 1962 |
| Steere & Sons | F. | Bunbury, Wogalin Gate, East Dorakin | F5S | 1924 |
| Steffon | Jos. | Block 48, Canning Mills | SN0 | 1924 |
| Steffon | Joseph | Block 48, Canning Mills | SN0 | 1912 |
| Stehr | William L. | Ningham Locs. 809, 1934, Kalkalling | QU5 | 1925 |
| Steicke | J. B. | Wattle Hill, Mt. Barker | BS5 | 1912 |
| Steicke | J. B. | Wattle Hill, Mt. Barker | BS5 | 1924 |
| Steicke | T. A. | 2281, 5223, Lot1, Mt. Barker | T4S and 12B, 48E | 1962 |
| Steil | J. W. | 36 Stewart House Road, Kronkup | 2WS and 33B, 110E | 1962 |
| Stein | E. C. R. | Eriwyn, Gnoangerup | EN0 and 1C, 67A | 1962 |
| Stein | F. | New Solm, Boyerine | ST6 | 1912 |
| Stein | F. | New Solm, Boyerine | ST6 | 1924 |
| Stein | K. F. | Louisa Downs Station, Fitzroy Crossing | C0X and 24B, 10E | 1962 |
| Stein | K. F. | Balfour Downs, Nullagine | O2P and 15C, 24A | 1962 |
| Stein | K. F. | Bohemia Downs, Fitzroy Crossing | Y2T and 2C, 115A | 1962 |
| Stein | T. J. | Canning Downs, Fitzroy Crossing | 2TS and 32C, 41E | 1962 |
| Steinlin | Arnold | Nannup | X2V | 1924 |
| Steinlin | R. | Loc. 8269, Nannup | X2V and 24B, 3A | 1962 |
| Stene | S. | Glenwood, Collie | 5SF and 80C, 55F | 1962 |
