| Jeffries | William | Farmer | Road between Perth & Albany (Kojonup) | 1869 | WA Almanack |
| Jeffries | Wm. | Farmer | Road between Perth & Albany (Kojonup) | 1870 | WA Almanack |
| Jeffries & Son | - | Farmers & Sheepowners | Kojonup | 1876 | Herald Almanack |
| Jeffries & Son | - | Farmers & Sheep Owners | Road Between Perth & Albany - Kojonup | 1877 | Herald Almanack |
| Jeffries & Son | - | Farmers & Sheepowner | Kojonup | 1878 | Herald Almanack |
| Jeffries & Son | - | Farmer & Sheepownrs | Kojonup | 1879 | Herald Almanack |
| Jeffries & Son | - | Farmer & Sheepowners | Kojonup | 1880 | Herald Almanack |
| Jeffries & Son | - | Farmer & Sheepowner | Gordon River | 1882 | Herald Almanack |
| Jeffries & Son | - | Farmer | Gordon River | 1883 | Herald Almanack |
| Jeffries & Son | - | Farmer | Gordon River | 1885 | Herald Almanack |
| Jeffries & Sons | - | Farmer | Kojonup | 1884 | Herald Almanack |
| Jeffries?& Sons | - | Farmer | Gordon River | 1884 | Herald Almanack |
| Jeffry | & Moffatt | Sawyers | Murray & Serpentine | 1877 | WA Almanack |
| Jeffry | C. | lodging-House Keeper | Perth | 1875 | Herald Almanack |
| Jeffry | C. | Lodging-House Keeper | Perth | 1875 | WA Almanack |
| Jeffry | J. | Blacksmith | Fremantle | 1874 | WA Almanack |
| Jeffry | J. | Blacksmith | Fremantle | 1881 | WA Almanack |
| Jeffry | J. | Blacksmith | Fremantle | 1882 | WA Almanack |
| Jeffry | J. | Blacksmith | Fremantle | 1883 | WA Almanack |
| Jeffry | Luke | Sawyer | Mandurah | 1877 | Herald Almanack |
| Jeffry | Luke | Sawyer | Murray District - Mandurah | 1878 | Herald Almanack |
| Jeffry | W. | Dairyman | N. W. Perth (Suburbs) | 1873 | Herald Almanack |
| Jeffry | W. | Dairyman | Perth (Suburbs) | 1874 | Herald Almanack |
| Jeffry | W. | Dairyman | Perth (Suburbs) | 1875 | Herald Almanack |
| Jeffry | W. | Dairyman | Perth (Suburbs) | 1875 | WA Almanack |
| Jeffry | W. | Dairyman | Perth (Suburbs) | 1876 | WA Almanack |
| Jeffry | W. | Gardener | Perth | 1885 | Herald Almanack |
| Jeffry & Moffatt | - | Sawyers | Murray & Serpentine | 1876 | WA Almanack |
| Jeffry & Sons | - | Farmer & Sheepowner | Kojonup | 1883 | Herald Almanack |
| Jeffry & Sons | - | Farmer | Kojonup | 1885 | Herald Almanack |
| Jelf | | Chemist & Druggist | Lake Street, Perth | 1897 | Witton's Directory |
| Jenkins | C. H. | School Teacher | Northampton | 1897 | Witton's Directory |
| Jenkins | D. | Clerk W.A. Timber Co. | Vasse & Busselton | 1874 | WA Almanack |
| Jenkins | E. | Farmer | Wanneroo (Stokes Station) | 1881 | WA Almanack |
| Jenkins | J. | | Charles Street, Perth | 1897 | Witton's Directory |
| Jenkins | M. | Hairdresser | Fremantle | 1875 | Herald Almanack |
| Jenkins | M. | Hairdresser | Fremantle | 1875 | WA Almanack |
| Jenkins | M. | Hairdresser | Fremantle | 1876 | Herald Almanack |
| Jenkins | M. | Hairdresser | Fremantle | 1876 | WA Almanack |
| Jenkins | M. | Hairdresser | Fremantle | 1877 | Herald Almanack |
| Jenkins | M. | Hairdresser | Fremantle | 1877 | WA Almanack |
| Jenkins | M. | Hairdresser | Fremantle | 1878 | Herald Almanack |
| Jenkins | Peter | Storekeeper | Bridgetown | 1897 | Witton's Directory |
| Jenkins | W. | Blacksmith | Northampton | 1885 | Herald Almanack |
| Jenkins | W. | Blacksmith | Northampton | 1897 | Witton's Directory |
| Jenkins & Abbot | Jenkins, A. & Abbot, A. R. | Solicitors, etc | Barrack Street, Perth | 1897 | Witton's Directory |
| Jenkins & Abbott | | Solicitors & Notaries | Bayley Street, Coolgardie | 1897 | Witton's Directory |
| Jenner | I. | Grazier | Irwin & Dongara | 1884 | Herald Almanack |
| Jenner | I. | Grazier | Irwin & Dongara | 1885 | Herald Almanack |
| Jenner | J. | Grazier | Irwin & Dongara | 1882 | Herald Almanack |
