| Trigg | Mrs. Stephen | - | Perth | 1881 | WA Almanack |
| Trigg | Mrs. Stephen | - | Perth | 1882 | WA Almanack |
| Trigg | Mrs. Stephen | - | Perth | 1884 | WA Almanack |
| Trigg | Mrs.S. | - | Perth | 1881 | Herald Almanack |
| Trigg | Mrs.Stephen | - | Perth | 1876 | WA Almanack |
| Trigg | O. | Carpenter | Victoria District (Geraldton) | 1881 | WA Almanack |
| Trigg | O. | Carpenter | Victoria Districts (Geraldton) | 1882 | WA Almanack |
| Trigg | O. | Bandmaster G.R.V. | Victoria District (Geraldton) | 1884 | WA Almanack |
| Trigg | O. | Carpenter | Geraldton | 1885 | Herald Almanack |
| Trigg | O. | J.P. | Geraldton | 1897 | Witton's Directory |
| Trigg | S. | Builder and Undertaker | Perth | 1863 | WA Almanack |
| Trigg | S. | Builder and Undertaker | Perth | 1864 | WA Almanack |
| Trigg | S. | Builder and Undertaker | Perth | 1865 | WA Almanack |
| Trigg | S. | Builder and Undertaker | Perth | 1866 | WA Almanack |
| Trigg | S. | Builder Amd Undertaker Urquhart Captain AssistantSurveyor | Perth | 1867 | WA Almanack |
| Trigg | S. | Builder and Undertaker | Perth | 1868 | WA Almanack |
| Trigg | S. | Builder and Undertaker | Perth | 1869 | WA Almanack |
| Trigg | S. | Builder & Undertaker | Perth | 1870 | WA Almanack |
| Trigg | S. | Builder and Undertaker | Perth | 1872 | WA Almanack |
| Trigg | S. | Carpenter | Saint George's Terrace, Perth | 1873 | Herald Almanack |
| Trigg | S. | Bldr. & Undtkr. | Perth | 1873 | WA Almanack |
| Trigg | S. | Carpenter | Perth | 1874 | Herald Almanack |
| Trigg | S. | Bldr. & Undtkr. | Perth | 1874 | WA Almanack |
| Trigg | S. | Carpenter | Perth | 1875 | Herald Almanack |
| Trigg | S. | Carpenter | Perth | 1875 | WA Almanack |
| Trigg | S. | Carpenter | Perth | 1876 | Herald Almanack |
| Trigg | W. | General Dealer | Perth | 1863 | WA Almanack |
| Trigg | W. | General Dealer | Perth | 1864 | WA Almanack |
| Trigg | W. | General Dealer | Perth | 1865 | WA Almanack |
| Trigg | W. | General Dealer | Perth | 1866 | WA Almanack |
| Trigg | W. | Carpenter & Builder | Victoria Districts (Geraldton & Suburbs) | 1866 | WA Almanack |
| Trigg | W. | General Dealer | Perth | 1867 | WA Almanack |
| Trigg | W. | Carpenter & Builder | Victoria District (Geraldton & Suburbs) | 1867 | WA Almanack |
| Trigg | W. | Carpenter and Builder | Victoria District (Geraldton & Suburbs) | 1868 | WA Almanack |
| Trigg | W. | Builder | Victoria District (Geraldton & Suburbs) | 1870 | WA Almanack |
| Trigg | W. | Builder | Geraldton & Champion Bay | 1873 | Herald Almanack |
| Trigg | W. | Builder | Geraldton & Champion Bay | 1874 | Herald Almanack |
| Trigg | W. | Carpenter &c. | Victoria District (Geraldton & Suburbs) | 1874 | WA Almanack |
| Trigg | W. | Builder | Geraldton | 1875 | Herald Almanack |
| Trigg | W. | Bulider | Geradlton | 1875 | WA Almanack |
| Trigg | W. | Builder | Geraldton | 1876 | Herald Almanack |
| Trigg | W. | Builder | Victoria District (Champion Bay) | 1876 | WA Almanack |
| Trigg | W. | Builder & Spirit Dealer | Geraldton | 1877 | Herald Almanack |
| Trigg | W. | Builder | Victoria District (Geraldton) | 1877 | WA Almanack |
| Trigg | W. | Builder & Spirit Dlr. | Victoria District - Geraldton | 1878 | Herald Almanack |
| Trigg | W. | Builder?and Publican | Geraldton | 1879 | Herald Almanack |
| Trigg | W. | Builder & Publican | Geraldton | 1880 | Herald Almanack |
| Trigg | W. | Builder amd Publican | Victoria District (Geraldton) | 1880 | WA Almanack |
| Trigg | W. | Builder & Publican | Geraldton | 1881 | Herald Almanack |
| Trigg | W. | Builder & Publican | Victoria District (Geraldton) | 1881 | WA Almanack |
