| Jackson | W.D. jun. | Surveyor | Fremantle | 1886 | WA Almanack |
| Jackson | Walter | - | Perth | 1887 | WA Almanack |
| Jackson | Walter | - | Perth | 1888 | WA Almanack |
| Jackson | Walter | Laborer | Beverley | 1897 | Witton's Directory |
| Jackson | Wm Henry | | Newcastle Street, Perth | 1897 | Witton's Directory |
| Jackson | Wm. | Laborer | Beverley | 1897 | Witton's Directory |
| Jackson & Co. | Marshall | Upholsterers | Fremantle | 1863 | WA Almanack |
| Jackson & Co. | Marshall | Upholsterers | Fremantle | 1864 | WA Almanack |
| Jackson Bros | | Fruiterers & Confectioners | Hannan Street, Kalgoorlie | 1897 | Witton's Directory |
| Jackson Bros. | | Hairdresser & Tobbacconist | High Street, Fremantle | 1897 | Witton's Directory |
| Jackson Bros. | T. | | Mandurah Road, Fremantle | 1897 | Witton's Directory |
| Jackson Marshall & Co. | - | Uphltrs. | Fremantle | 1865 | WA Almanack |
| Jackson Marshall & Co. | - | Uphltrs. | Fremantle | 1866 | WA Almanack |
| Jacobs | A. P. | Laborer | William's River | 1897 | Witton's Directory |
| Jacobs | E. & Co. | Auctioneers | Mouat Street, Fremantle | 1897 | Witton's Directory |
| Jacobs | F. J. | Res. Sec. A.M.P. Soc. | Perth | 1887 | WA Almanack |
| Jacobs | F. J. | Res. Sec. A. M. P. Society | Perth | 1888 | WA Almanack |
| Jacobs | F. J. | Res. Sec. A.M.P. Society | Perth | 1889 | WA Almanack |
| Jacobs | I. | Grillroom & Wine Cafe | 451 Wellington Street, Perth | 1897 | Witton's Directory |
| Jacobs | J. | Labourer | Fremantle | 1887 | WA Almanack |
| Jacobs | J. | Labourer | Fremantle | 1888 | WA Almanack |
| Jacobs | J. | Labourer | Fremantle | 1889 | WA Almanack |
| Jacobsen | G. | Engineer | Nannine | 1897 | Witton's Directory |
| Jacobson | A. | | Havelock Street, Perth | 1897 | Witton's Directory |
| Jacobson | A. | Mine Manager | Parker's Range | 1897 | Witton's Directory |
| Jacobson | Mrs C. | (Private Residence) | Shaw Street, Coolgardie | 1897 | Witton's Directory |
| Jacoby | F. W. | Proprietor, Jacoby's Hotel | Murray Street, Perth | 1897 | Witton's Directory |
| Jacques | E. | Police Constable (Foot) | North-West Coast (Cossack) | 1882 | WA Almanack |
| Jaffray | E. | Auctioneer | Albany | 1885 | Herald Almanack |
| Jaggard | -- | Manager - Central Queensland Meat Export Co. | High Street, Fremantle | 1897 | Witton's Directory |
| James | - | Sergt., Drill Instructor, P. V. A. | Perth | 1885 | Herald Almanack |
| James | - | | Stone Street, Perth | 1897 | Witton's Directory |
| James | A. | Blacksmith and Farrier | Toodyay | 1876 | WA Almanack |
| James | A. | Blacksmith and Farrier | Toodyay | 1877 | WA Almanack |
| James | A. | Blacksmithand Farrier | Toodyay | 1879 | WA Almanack |
| James | A. | Farmer | Newcastle & Toodyay District | 1880 | WA Almanack |
| James | A. | Blacksmith | Newcastle & Toodyay District | 1881 | WA Almanack |
| James | A. | Blacksmith | Newcastle & Toodyay District | 1882 | WA Almanack |
| James | A. | Blacksmith | Newcastle & Toodyay District | 1884 | WA Almanack |
| James | A. | Blacksmith and Farmer | Toodyay | 1886 | WA Almanack |
| James | A. | Blacksmith | Newcastle | 1887 | WA Almanack |
| James | A. | Blacksmith | Newcastle | 1888 | WA Almanack |
| James | A. | Blacksmith | Newcastle | 1889 | WA Almanack |
| James | A. F. | Mining Agent | Hunt Street, Coolgardie | 1897 | Witton's Directory |
| James | A.B.M | Blacksmith/Farmer | Toodyay | 1884 | Herald Almanack |
| James | Abm. | Blacksmith & Farmer | Toodyay | 1878 | Herald Almanack |
| James | Abm. | Blacksmith & Farmer | Toodyay | 1879 | Herald Almanack |
| James | Abm. | Blacksmith & Farmer | Toodyay | 1880 | Herald Almanack |
| James | Abm. | Blacksmith & Farmer | Toodyay | 1881 | Herald Almanack |
| James | Abm. | Blacksmith & Farmer | Toodyay | 1882 | Herald Almanack |
