| Spencer | Mrs Mary | East Mornington | 1SM | 1924 |
| Spencer | Mrs Winifred M. | Hay River Farm, Narrikup | 8UJ | 1924 |
| Spencer | N. C. | Avon Pt. R, Northam | N5S and 48D, 114E | 1962 |
| Spencer | O. A. | Wye Wye, Piawaning | O1S and 2C, 48E | 1962 |
| Spencer | O. P. & D. | Gymbowen, Perenjori | J1S and 11D, 107E | 1962 |
| Spencer | Oliver H. | Victoria-Carron Lots 5755, 5963, 8295 and 6/11, 11542/56, Carron, Via Perenjori | YS0 | 1924 |
| Spencer | R. E, | Hay River | 6RS | 1924 |
| Spencer | R. E. | Hay River, Hay River Road | 6RS | 1912 |
| Spencer | R. G. | The Horse Farm, Upper Blackwood Bridgetown | Y4Y | 1912 |
| Spencer | R. G. | The horseshoe Farm, Upper Blackwood | Y4Y | 1924 |
| Spencer | R. L | The Forest, Kojonup | L5S | 1912 |
| Spencer | R. L. | The Forest, Kojonup | L5S | 1924 |
| Spencer | Richard G. | The Forest, Kojonup | 2NF | 1924 |
| Spencer | Robt. | Jilbadji Location 29, Burracoppin | NQ7 | 1924 |
| Spencer | S. J. | Ferndale, Narrikup | S7Z | 1924 |
| Spencer | Thos. | Navarino, Narrogin | SP7 | 1912 |
| Spencer | Thos. | Navarino, Narrogin | SP7 | 1924 |
| Spencer | V. C. | Locs. 274, 241, 143, 436, 347, 361, 291, 260, Serpentine | V1S and 42D, 5E | 1962 |
| Spencer | V. P. | Merridale, Darkan | 0VP and 14B, 7A | 1962 |
| Spencer | W. A. | 4477 Wellington Loc. Collie | 0SY and 45D, 71E | 1962 |
| Spencer | W. A. | 433, Jandakot | SP5 | 1962 |
| Spencer | W. H. | Woodberry Downs, Dandling, Boolading Siding, via Collic | W7S | 1912 |
| Spencer | W. H. | Doodberry Downs, Dandling, Boolading Siding | W7S | 1924 |
| Spencer | W. J. | Lots 24 and Pt. 52 of Canning Loc. 31, Kelmscott | SP8 and 116B, 10A | 1962 |
| Spencer | W. R | Westbourne, Bridgetown | S1O | 1912 |
| Spencer | W. R. | Westbourne, Bridgetown | S1O | 1924 |
| Spencer & Co. | D. | Hill End, Watheroo | DS4 and 55F, 3B | 1962 |
| Spencer & Son | G. W. | Westbourne Chowerup | S1O and 9B, 16A | 1962 |
| Spencer Bros. | - | Lot 2 of M.1778, Perenjori | 9SQ and 30B, 17A | 1962 |
| Spencer Bros. | - | 8500, 8700 and Part of M.1778 Lot 12, Perenjori | ET6 and 12B, 6A | 1962 |
| Spenn | (Afghan) | Commonage Meekatharra | PV4 | 1924 |
| Sperber | Paul | Location 18961, Kwolyin | 8PS | 1924 |
| Spice | Arthur H. | Muchea | Q3S | 1924 |
| Spice | F. & J. | Part Lot T, York | 3SZ | 1962 |
| Spice | H. K. & M. I. | Wellington 3734 and 3711, Noggerup | 5LE | 1962 |
| Spice | J. W. | Nedonga Lake, South Bindoon, Via Muchea | 8XJ | 1924 |
| Spice | Louis John | Rock Hill, Mooliabeenee | 6LZ | 1924 |
| Spice | Mary | P.O. York | 3SZ | 1924 |
| Spice | W. J. | Graigie Park, Wanneroo | W0S | 1912 |
| Spice Bros. | - | Brock Hill, Bindoon | 6LZ and 10B, 20E | 1962 |
| Spicer | Edith A. | Mandogolup, 7 mile Peel Estate | E6S | 1927 |
| Spiers | James | C. P. Lease, 9243-55, Narrogin | J7S | 1912 |
| Spiers | James | Craigie Park, Wanneroo | J7S | 1924 |
| Spiers | L. W. | Cragie Park, Wanneroo | 9LS and 17C, 22E | 1962 |
| Spiers | R. H. | Cragie Park, Wanneroo | X7Y | 1962 |
| Spiers | Robt H. | 27 Charles Street, West Perth | X7Y | 1924 |
| Spiller | H. | Mokami Farm, Erikin | 2SR and 45C, 11A | 1962 |
| Spiller | W. | Coolup AA Lot 111, Pinjarra | WS6 and 32C, 107E | 1962 |
| Spillman | A. M. | Hill Farm, Baandee | S5X | 1924 |
| Spillman | D. J. | Mawido, baandee | D5S | 1924 |
