| Sloper | C. | Farmer | Dongara | 1887 | WA Almanack |
| Sloper | C. | Farmer | Dongara | 1888 | WA Almanack |
| Sloper | C. | Farmer | Dongara | 1889 | WA Almanack |
| Sloss | J. | Carter | Lefroy Street, Coolgardie | 1897 | Witton's Directory |
| Sloss | O. | Carter | Lefroy Street, Coolgardie | 1897 | Witton's Directory |
| Slotter | W. E. | | High Street, Fremantle | 1897 | Witton's Directory |
| Slunate | J. | Fisherman | Albany | 1877 | WA Almanack |
| Slunate | T. B. | Boatman | Albany | 1877 | WA Almanack |
| Slunate | W. | Labourer | Albany | 1877 | WA Almanack |
| Sly | Bridget | Pensioner (single, age 18, born in Ireland) | York | 1859 | 1859 Census |
| Sly | Mary | Pensioner (married, age 48, born in Ireland) | York | 1859 | 1859 Census |
| Sly | R. | Pensioner | York | 1873 | Herald Almanack |
| Sly | R. | Pensioner | York | 1874 | Herald Almanack |
| Sly | R. | Pensioner | York | 1875 | Herald Almanack |
| Sly | R. | Pensioner | York | 1875 | WA Almanack |
| Sly | Robert | Pensioner (married, age 41, born in Ireland) | York | 1859 | 1859 Census |
| Small | Daniel | | 324 Wellington Street, Perth | 1897 | Witton's Directory |
| Smallhorn | J | Gardener & Caretaker Mechanics Institute | York | 1883 | Herald Almanack |
| Smallhorn | J. | Gardener | York | 1877 | Herald Almanack |
| Smallhorn | J. | Gardener | York | 1877 | WA Almanack |
| Smallhorn | J. | Gardener | York | 1878 | Herald Almanack |
| Smallhorn | J. | Gardener & Caretaker Mechanic's Institute | York | 1879 | Herald Almanack |
| Smallhorn | J. | Gardener | York | 1879 | WA Almanack |
| Smallhorn | J. | Gardener & Caretaker Mechanics' Institute | York | 1880 | Herald Almanack |
| Smallhorn | J. | Gardener | York | 1880 | WA Almanack |
| Smallhorn | J. | Gardener & CareTaker Mechanics Institute | York | 1881 | Herald Almanack |
| Smallhorn | J. | Gardener | York | 1881 | WA Almanack |
| Smallhorn | J. | Gardener & Caretaker Mechanics Institute | York | 1882 | Herald Almanack |
| Smallhorn | J. | Gardener | York | 1882 | WA Almanack |
| Smallhorn | J. | Gardener & Caretaker Mechanics Institute | York | 1884 | Herald Almanack |
| Smallhorn | J. | Gardener and Caretaker Mechanics Institute | York | 1886 | WA Almanack |
| Smallhorn | J. | Gardener | York | 1887 | WA Almanack |
| Smallhorn | S. | Gardener | York | 1884 | WA Almanack |
| Smallhorn | S. | Gardener | York | 1888 | WA Almanack |
| Smallhorn | S. | Gardener | York | 1889 | WA Almanack |
| Smallhorn | Sam | Gardener | York | 1885 | Herald Almanack |
| Smallpage | F. G. | Mining Agent | McDonald Street, Coolgardie | 1897 | Witton's Directory |
| Smalpage | Frank | Mining Agents & Sharebrokers | Coolgardie Chambers, Bayley Street, Coolgardie | 1897 | Witton's Directory |
| Smalpage | M. H. | Brewer | Sylvester Street, Coolgardie | 1897 | Witton's Directory |
| Smart | Mrs. | | Francis Street, Perth | 1897 | Witton's Directory |
| Smart | R. | Fish Preserver | Mandurah | 1897 | Witton's Directory |
| Smart | W. | Mason | Attfield Street, Beaconsfield | 1897 | Witton's Directory |
| Smeddles | G. | Currier | Fremantle | 1876 | Herald Almanack |
| Smeddles | G. | Currier | Fremantle | 1877 | Herald Almanack |
| Smeddles | G. | Tanner | Perth | 1878 | Herald Almanack |
| Smeddles | G. | Tanner | Perth | 1879 | WA Almanack |
| Smeddles | G. | Bootmaker | Perth | 1879 | WA Almanack |
| Smeddles | G. | Bootmaker | Perth | 1880 | WA Almanack |
| Smeddles | G. | Bootmaker | Perth | 1881 | WA Almanack |
| Smeddles | G. | Bootmaker & Importer | Perth | 1882 | Herald Almanack |