| Demasson | W. A. | Wheelwright, &c. | Newcastle | 1882 | Herald Almanack |
| Demasson | W. A. | Wheelwright &c | Newcastle | 1884 | Herald Almanack |
| Demasson | W. A. | Wheelwright | Newcastle & Toodyay District | 1884 | WA Almanack |
| Demasson | W. A. | Wheelwright &c | Newcastle | 1885 | Herald Almanack |
| Demasson | W. A. | Wheelwright &c. | Newcastle | 1886 | WA Almanack |
| Demasson | W. A. | Wheelwright | Newcastle | 1887 | WA Almanack |
| Demasson | W. A. | Wheelwright | Newcastle | 1888 | WA Almanack |
| Demasson | W. A. | Wheelwright | Newcastle | 1889 | WA Almanack |
| Demasson | W.A. | Wheelwright &c | Newcastle | 1881 | Herald Almanack |
| Demasson | W.A. | wheelwright &c | Newcastle | 1883 | Herald Almanack |
| Demasson & C. | W. A. | Wheelwright | Newcastle | 1879 | Herald Almanack |
| Demasson &c. | A. | Wheelwright | Newcastle | 1878 | Herald Almanack |
| Demaun | F. | Blacksmith | Guildford | 1881 | WA Almanack |
| Demeson | J. | Sawyer | Guildford | 1883 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford | 1875 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford | 1875 | WA Almanack |
| Demesson | J. | Sawyer | Guldford | 1876 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford & Helena | 1876 | WA Almanack |
| Demesson | J. | Sawyer | Guildford | 1877 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford & Swan | 1877 | WA Almanack |
| Demesson | J. | Sawyer | Guildford | 1879 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford | 1880 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford | 1881 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford | 1882 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford | 1884 | Herald Almanack |
| Demesson | J. | Sawyer | Guildford | 1885 | Herald Almanack |
| Demison | A. | Wheelwright | Northam | 1873 | Herald Almanack |
| Demison | A. | Wheelwright | Northam | 1874 | Herald Almanack |
| Demison | A. | Wheelwright | Northam | 1875 | Herald Almanack |
| Demison | A. | Wheelwright | Northam | 1875 | WA Almanack |
| Demison | A. | Wheelwright | Northam | 1876 | Herald Almanack |
| Dempester | A. | Farmer | Eucla Telegraph Line (Esperance) | 1886 | WA Almanack |
| Dempsey | J. | Cordial Manufacturer | Brookman Street, Kalgoorlie | 1897 | Witton's Directory |
| Dempster | A. | Farmer | Eucla Telegraph Line (Esperance Bay) | 1879 | WA Almanack |
| Dempster | A. | Farmer Sheep Farmer | Eucla Telegraph Line(Esperance Bay) | 1880 | WA Almanack |
| Dempster | A. | Farmer, Sheep Farmers | Eucla Telegraph Line (Esperance Bay) | 1881 | WA Almanack |
| Dempster | A. | Farmer | Eucla Telegraph Line (Esperance Bay) | 1882 | WA Almanack |
| Dempster | A. | Sheepfarmers | Eucla Telegraph Line | 1884 | WA Almanack |
| Dempster | A. | Farmers | Eucla (Esperance) | 1887 | WA Almanack |
| Dempster | A. | Farmers (Esperance) | Eucla, Etc. | 1888 | WA Almanack |
| Dempster | A. | Farmer | Eucla, Etc (Esperance) | 1889 | WA Almanack |
| Dempster | A. | | Northam | 1897 | Witton's Directory |
| Dempster | A. | Farmer | York | 1897 | Witton's Directory |
| Dempster | Bros. | Merchants | Toodyay | 1877 | WA Almanack |
| Dempster | Bros. | Importers & Storekeepers | Toodyay | 1881 | Herald Almanack |
| Dempster | Bros. | Sheep Farmers | Eucla Telegraph Line (Esperance Bay) | 1881 | WA Almanack |
| Dempster | Bros. | Importers & Storekeepers | Toodyay | 1884 | Herald Almanack |
| Dempster | C. E. | J.P. Farmer & Grazier | Northam | 1873 | Herald Almanack |
| Dempster | C. E. | J. P., M. L. C., Farmer & Grazier | Northam | 1874 | Herald Almanack |
| Dempster | C. E. | J.P., Farmer & Grazier | Northam | 1875 | Herald Almanack |
