| Douglas | F | Boatman | Albany | 1880 | WA Almanack |
| Douglas | F. | Boatman | Albany | 1877 | Herald Almanack |
| Douglas | F. | Boatman | Albany | 1878 | Herald Almanack |
| Douglas | F. | Boatman | Albany | 1879 | Herald Almanack |
| Douglas | F. | Boatman | Albany | 1879 | WA Almanack |
| Douglas | F. | Boatman | Albany | 1880 | Herald Almanack |
| Douglas | F. | BoatMan | Albany | 1881 | Herald Almanack |
| Douglas | F. | Boatman | Albany | 1881 | WA Almanack |
| Douglas | F. | Boatman | Albany | 1882 | Herald Almanack |
| Douglas | F. | Boatman | Albany | 1882 | WA Almanack |
| Douglas | F. | Boatman | Albany | 1883 | Herald Almanack |
| Douglas | F. | Boatman | Albany | 1884 | Herald Almanack |
| Douglas | F. | Boatman | Albany | 1884 | WA Almanack |
| Douglas | F. | Carpenter | Fremantle | 1885 | Herald Almanack |
| Douglas | F. | Boatman | Albany | 1885 | Herald Almanack |
| Douglas | H. | | Norfolk Street, Fremantle | 1897 | Witton's Directory |
| Douglas | J. | - | Perth (South Perth) | 1872 | WA Almanack |
| Douglas | J. | - | Perth (South Perth) | 1873 | WA Almanack |
| Douglas | J. | Gardener | Bridgetown | 1897 | Witton's Directory |
| Douglas | J. | Miner | Parker's Range | 1897 | Witton's Directory |
| Douglas | L. | Greengrocer | Perth | 1888 | WA Almanack |
| Douglas | L. | Green Grocer | Perth | 1889 | WA Almanack |
| Douglas | N. | Clerk | Stirling Street, Perth | 1897 | Witton's Directory |
| Douglas | T. | Greengrocer | Perth | 1882 | Herald Almanack |
| Douglas | T. | Greengrocer | Perth | 1883 | Herald Almanack |
| Douglas | T. | Greengrocer | Perth | 1884 | Herald Almanack |
| Douglas | T. | Greengrocer | Perth | 1885 | Herald Almanack |
| Douglas | T. | Greengrocer | Perth | 1886 | WA Almanack |
| Douglas | T. | Greengrocer | Perth | 1887 | WA Almanack |
| Douglas | Thomas | Dairyman | Perth | 1869 | WA Almanack |
| Douglas | Thomas | Dairyman | Perth | 1870 | WA Almanack |
| Douglas | Thomas | Dairyman | Perth | 1872 | WA Almanack |
| Douglas | Thomas | Dairyman | Perth | 1873 | WA Almanack |
| Douglas | Thomas | Dairyman | Perth | 1874 | WA Almanack |
| Douglas | Thomas | | Robinson Avenue, Perth | 1897 | Witton's Directory |
| Douglas | W. | Police Constable | Albany | 1874 | WA Almanack |
| Douglas | W. | Police Constable | Albany | 1875 | Herald Almanack |
| Douglas | W. | Police Constable | Albany | 1875 | WA Almanack |
| Douglas | W. | Police Constable | Albany | 1876 | Herald Almanack |
| Douglas | W. | Machinist | Victoria District (Geraldton) | 1879 | WA Almanack |
| Douglas | W. | Railway Porter | Victoria District (Northampton) | 1880 | WA Almanack |
| Douglas | W. | Railway Porter | Victoria District (Northampton) | 1881 | WA Almanack |
| Douglas | W. | Railway Porter | Victoria Districts (Northampton) | 1882 | WA Almanack |
| Douglas | W. | Boatowner | Albany | 1882 | WA Almanack |
| Douglas | W. | Porter Railway Station | Perth | 1884 | Herald Almanack |
| Douglas | W. | Railway Porter | Perth | 1884 | WA Almanack |
| Douglas | W. | Engineer | Victoria District (Geraldton) | 1884 | WA Almanack |
| Douglas | W. | Railway Porter | Victoria District (Northampton) | 1884 | WA Almanack |
| Douglas | W. | Boatowner | Albany | 1884 | WA Almanack |
| Douglas | W. | - | Albany | 1885 | Herald Almanack |
