| Thomas | Jas. | Householder | Fremantle | 1875 | Herald Almanack |
| Thomas | Jas. | Householder | Fremantle | 1875 | WA Almanack |
| Thomas | Jas. | Farmer | Fremantle (Rockingham) | 1876 | Herald Almanack |
| Thomas | Jas. | Householder | Fremantle | 1876 | Herald Almanack |
| Thomas | Jas. | Farmer | Fremantle (Rockingham) | 1877 | Herald Almanack |
| Thomas | Jas. | Householder | Fremantle | 1877 | Herald Almanack |
| Thomas | Jas. | Householder | Fremantle | 1878 | Herald Almanack |
| Thomas | Jas. | Farmer | Busselton, Blackwood, &c. | 1880 | WA Almanack |
| Thomas | Jas. | Sawyer | Busselton, Etc. (Augusta, Etc., Karridale, Boranup & Hamlin) | 1889 | WA Almanack |
| Thomas | Jas. H. | Director of Public Works | Perth | 1881 | WA Almanack |
| Thomas | Jas. H. | Director of Public Works | Perth | 1882 | WA Almanack |
| Thomas | Jas. H. | Director of Public Works | Perth | 1883 | WA Almanack |
| Thomas | Jas. H. | Director of Public Works | Perth | 1884 | WA Almanack |
| Thomas | Jno. | Mine Owner | Mines | 1875 | Herald Almanack |
| Thomas | Jno. | Mine Owner | Mines | 1875 | WA Almanack |
| Thomas | Jno. | Victuaoller & Chairman Town Council | Fremantle | 1876 | Herald Almanack |
| Thomas | Jno. | Miner Owner | Mines | 1876 | Herald Almanack |
| Thomas | Jno. | Farmer | Victoria District (Northampton) | 1880 | WA Almanack |
| Thomas | Jno. | Farmer | Victoria District (Northampton) | 1881 | WA Almanack |
| Thomas | Jno. | Grazier | Victoria Districts (Northampton) | 1882 | WA Almanack |
| Thomas | Jno. | Shopkeeper | Perth | 1884 | Herald Almanack |
| Thomas | John | Shipowner | Fremantle | 1863 | WA Almanack |
| Thomas | John | Shipowners | Fremantle | 1864 | WA Almanack |
| Thomas | John | Whaler | Albany | 1864 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1865 | WA Almanack |
| Thomas | John | Whaler | Albany | 1865 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1866 | WA Almanack |
| Thomas | John | Whaler | Albany | 1866 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1867 | WA Almanack |
| Thomas | John | Whaler | Albany | 1867 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1868 | WA Almanack |
| Thomas | John | Whaler | Albany | 1868 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1869 | WA Almanack |
| Thomas | John | Whaler | Albany | 1869 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1870 | WA Almanack |
| Thomas | John | Whaler | Albany | 1870 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1872 | WA Almanack |
| Thomas | John | Boatowner | Albany | 1872 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1873 | WA Almanack |
| Thomas | John | Boatowner | Albany | 1873 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1874 | Herald Almanack |
| Thomas | John | Boatowner | Albany | 1874 | Herald Almanack |
| Thomas | John | Victualler | Fremantle | 1874 | WA Almanack |
| Thomas | John | Boatowner | Albany | 1874 | WA Almanack |
| Thomas | John | Victualler | Fremantle | 1875 | Herald Almanack |
| Thomas | John | Boatowner | Albany | 1875 | Herald Almanack |
| Thomas | John | Victualler | Fremantle | 1875 | WA Almanack |
| Thomas | John | Boatowner | Albany | 1875 | WA Almanack |
| Thomas | John | Boatowner | Albany | 1876 | Herald Almanack |
| Thomas | John | Farmer | Fremantle (Rockingham) | 1878 | Herald Almanack |
