| Thomas | A. | Pearler | North-West Coast (Cossack) | 1881 | WA Almanack |
| Thomas | A. | Pearler | Cossack | 1882 | Herald Almanack |
| Thomas | A. | Labourer | Victoria Districts (Geraldton) | 1882 | WA Almanack |
| Thomas | A. | Pearler | Cossack | 1883 | Herald Almanack |
| Thomas | A. | Pearler | Cossack | 1884 | Herald Almanack |
| Thomas | A. | Labourer | Victoria District (Geraldton) | 1884 | WA Almanack |
| Thomas | A. | Farmer(Rockingham) | Fremantle | 1888 | WA Almanack |
| Thomas | A. | Farmer | Murray (Pinjarrah) | 1888 | WA Almanack |
| Thomas | A. | Farmer | Fremantle (Rockingham) | 1889 | WA Almanack |
| Thomas | A. | Farmer | Murray (Pinjarrah) | 1889 | WA Almanack |
| Thomas | A. E. | Farmer | Mandurah | 1897 | Witton's Directory |
| Thomas | A. E. | Farmer | Pinjarra | 1897 | Witton's Directory |
| Thomas | A. M. | Clerk of Court | Albany | 1881 | Herald Almanack |
| Thomas | A. M. | Clerk of Court | Albany | 1882 | Herald Almanack |
| Thomas | A. M. | Clerk of Court | Albany | 1883 | Herald Almanack |
| Thomas | A. R. | Commist. Officer | Perth | 1879 | Herald Almanack |
| Thomas | A.M. | Clerk of Court | Albany | 1884 | Herald Almanack |
| Thomas | Alex | Butcher | Roebourne | 1897 | Witton's Directory |
| Thomas | Alex. | Farmer &c. | Fremantle | 1874 | WA Almanack |
| Thomas | Arthur | | Northam | 1897 | Witton's Directory |
| Thomas | B. | Miner | Victoria Districts (Northampton) | 1882 | WA Almanack |
| Thomas | B. | Miner | Victoria District (Northampton) | 1884 | WA Almanack |
| Thomas | B. | Miner | Victoria District (Northampton) | 1886 | WA Almanack |
| Thomas | B. | Miner | Northampton | 1887 | WA Almanack |
| Thomas | B. | Miner | Northampton | 1888 | WA Almanack |
| Thomas | B. | Miner | Northampton | 1889 | WA Almanack |
| Thomas | B. W. | Clerk to Court | Albany | 1876 | Herald Almanack |
| Thomas | C. | Farmer | Mandurah | 1877 | Herald Almanack |
| Thomas | C. | - | Murrary District - Pinjarrah | 1878 | Herald Almanack |
| Thomas | C. | - | Pinjarrah | 1879 | Herald Almanack |
| Thomas | C. | - | Pinjarrah | 1880 | Herald Almanack |
| Thomas | C. | - | Pinjarrah | 1881 | Herald Almanack |
| Thomas | C. | - | Murray (Pinjarrah) | 1881 | WA Almanack |
| Thomas | C. | - | Pinjarrah | 1882 | Herald Almanack |
| Thomas | C. | - | Murray (Pinjarrah) | 1882 | WA Almanack |
| Thomas | C. | - | Pinjarrah | 1883 | Herald Almanack |
| Thomas | C. | - | Pinjarrah | 1884 | Herald Almanack |
| Thomas | C. | Stockowner | Murray (Pinjarrah) | 1884 | WA Almanack |
| Thomas | C. | - | Pinjarrah & Murray | 1885 | Herald Almanack |
| Thomas | C. | Stockowner | Murray (Pinjarrah) | 1886 | WA Almanack |
| Thomas | C. | Stockowner | Pinjarrah | 1887 | WA Almanack |
| Thomas | C. | Labourer | Murray (Pinjarrah) | 1888 | WA Almanack |
| Thomas | C. | Labourer | Murray (Pinjarrah) | 1889 | WA Almanack |
| Thomas | C. W. | Laborer | Pinjarra | 1897 | Witton's Directory |
| Thomas | Chas. | Boatman | Perth | 1882 | Herald Almanack |
| Thomas | Chas. | Boatman | Perth | 1883 | Herald Almanack |
| Thomas | Chas. | Boatman | Perth | 1884 | Herald Almanack |
| Thomas | D. | Grazier | Victoria Districts (Northampton) | 1882 | WA Almanack |
| Thomas | D. | Farmer | Northampton | 1897 | Witton's Directory |
| Thomas | David | Boatman | Victoria District (Geraldton) | 1884 | WA Almanack |
