| Thomson | A. C. | Architect | Murray & Serpentine | 1874 | WA Almanack |
| Thomson | A. F. | Railway Accountant | Perth | 1887 | WA Almanack |
| Thomson | A. F. | Acting R. M. | York | 1888 | WA Almanack |
| Thomson | A. F. | Acting R. M. | York | 1889 | WA Almanack |
| Thomson | A. H. | Under-sec. for Railways | Land & Titles Office, Government Buildings, Saint George's Terrace, Perth | 1897 | Witton's Directory |
| Thomson | Dr. J. R. M. | Medical Officer | York | 1887 | WA Almanack |
| Thomson | Dr. J. R. M. | Medical Officer | York | 1888 | WA Almanack |
| Thomson | H. | Carter | Bunbury & Australind | 1870 | WA Almanack |
| Thomson | H. | Carter | Wellington | 1873 | Herald Almanack |
| Thomson | H. | Carter | Bunbury | 1874 | Herald Almanack |
| Thomson | H. | Assist. Teacher B.G.S. | Perth | 1887 | WA Almanack |
| Thomson | J. A. | | Old Guildford Road, Perth | 1897 | Witton's Directory |
| Thomson | J. B. | Lighterman | Geraldton | 1879 | Herald Almanack |
| Thomson | J. B. | Lighterman | Geraldton | 1880 | Herald Almanack |
| Thomson | J. B. | Lighterman | Victoria District (Geraldton) | 1880 | WA Almanack |
| Thomson | J. B. | Lighterman | Geraldton | 1881 | Herald Almanack |
| Thomson | J. B. | Lighterman | Geraldton | 1882 | Herald Almanack |
| Thomson | J. B. | Licensed Victualler | Greenough | 1883 | Herald Almanack |
| Thomson | J. B. | Hotelkeeper | Victoria District (Greenough) | 1884 | WA Almanack |
| Thomson | J. G | Farmer | Blackwood,Warren & Port Augusta (Brookhampton) | 1873 | Herald Almanack |
| Thomson | J. G. | Farmer | Blackwood, Warren, & Port Augusta, (Brookhampton) | 1874 | Herald Almanack |
| Thomson | J. G. | Carter | Blackwood | 1875 | Herald Almanack |
| Thomson | J. G. | Carter | Blackwood | 1875 | WA Almanack |
| Thomson | J. G. | Flockowner | Blackwood | 1876 | Herald Almanack |
| Thomson | J. G. | Frmr. and Grazier | Wellington (Preston, Upper Capel, Towards Blackwood, Etc. | 1880 | WA Almanack |
| Thomson | J. G. | Farmer & Grazier | Wellington District (Preston, Upper Capel, towards Blackwood, Etc.) | 1881 | WA Almanack |
| Thomson | J. G. | Farmer & Grazier | Wellington District (Preston, Upper Capel, Towards Blackwood, Etc.) | 1882 | WA Almanack |
| Thomson | J. G. | Farmerand Grazier | Wellington District (Preston, Upper Capel towards Blackwood, Etc) | 1886 | WA Almanack |
| Thomson | J. G. | Farmer and Grazier | Preston, Upper Capel, Towards Blackwood,Etc. | 1887 | WA Almanack |
| Thomson | J. G. | Farmer and Grazier | Bunbury (Preston, Upper Capel, towards Blackwood, Etc.) | 1888 | WA Almanack |
| Thomson | J. G. | Farmer & Grazier | Bunbury, Etc. (Preston, Upper Capel, towards Blackwood, Etc.) | 1889 | WA Almanack |
| Thomson | J. Guy | Farmer & Grazier | Blackwood Warren & Port Augusta | 1868 | WA Almanack |
| Thomson | J. Guy | Farmer & Grazier | Blackwood Warren & Port Augusta | 1869 | WA Almanack |
| Thomson | J. Guy | J. P. Farmer & Grazier | Blackwood Warren & Port Augusta | 1870 | WA Almanack |
| Thomson | J. K. M. | Medical Officer | York | 1885 | Herald Almanack |
| Thomson | J. R. M. | Med Officer | York | 1884 | WA Almanack |
| Thomson | J.G. | Farmer | Blackwood | 1876 | WA Almanack |
| Thomson | J.G. | Farmerand Grazier | Wellington District (Preston Upper Capel Towards Blackwood &c.) | 1879 | WA Almanack |
| Thomson | Jas. | Lighterman | Geraldton | 1877 | Herald Almanack |
| Thomson | Jas. | Lighterman | Victoria District (Geraldton) | 1877 | WA Almanack |
| Thomson | Jas. | Lighterman | Victoria District | 1879 | WA Almanack |
| Thomson | John | Farmer & Grazier, Brookhampton | Preston | 1897 | Witton's Directory |
| Thomson | P. | Farmer & Grazier | Gingin | 1878 | Herald Almanack |
| Thomson | P. | Farmer & Grazier | Gingin | 1879 | Herald Almanack |
| Thomson | S. | Carpenter | Victoria District | 1879 | WA Almanack |
| Thomson | W. | Farmer | Northam | 1870 | WA Almanack |
| Thomson | W. | Printer | Victoria Districts (Geraldton) | 1882 | WA Almanack |
| Thomson | W. | | Florence Street, Fremantle | 1897 | Witton's Directory |
| Thomson | W. T. | | Howick Street, Perth | 1897 | Witton's Directory |
| Thomspon | John | Shopkeeper | Perth | 1885 | Herald Almanack |
