| Clark | G. | Carpenter | Fremantle | 1887 | WA Almanack |
| Clark | G. | Carpenter | Fremantle | 1888 | WA Almanack |
| Clark | G. | Carpenter | Fremantle | 1889 | WA Almanack |
| Clark | Geo | | Bunbury | 1897 | Witton's Directory |
| Clark | George | Farmer & Grazier | Victoria Plains, Dandaragan | 1885 | Herald Almanack |
| Clark | H. | | Malcolm Street, Fremantle | 1897 | Witton's Directory |
| Clark | Harry | Barman | Onslow | 1897 | Witton's Directory |
| Clark | J. | Tailor | Fremantle | 1873 | Herald Almanack |
| Clark | J. | Carpenter | Fremantle | 1873 | Herald Almanack |
| Clark | J. | Tailor | Fremantle | 1874 | Herald Almanack |
| Clark | J. | Tailor | Fremantle | 1875 | Herald Almanack |
| Clark | J. | Tailor | Fremantle | 1875 | WA Almanack |
| Clark | J. | Tailor | Fremantle | 1876 | WA Almanack |
| Clark | J. | Carpenter | Fremantle | 1876 | WA Almanack |
| Clark | J. | Tailor | Fremantle | 1877 | WA Almanack |
| Clark | J. | Carpenter | Fremantle | 1877 | WA Almanack |
| Clark | J. | Farmer | Toodyay | 1878 | Herald Almanack |
| Clark | J. | Farmer | Northampton | 1882 | Herald Almanack |
| Clark | J. | Ostler | North-West Coast (Roebourne) | 1882 | WA Almanack |
| Clark | J. | Grazier | North-West Coast (Maitland River) | 1882 | WA Almanack |
| Clark | J. | Teamster | Onslow (Ashburton) | 1887 | WA Almanack |
| Clark | J. | Teamster | Onslow (Ashburton) | 1888 | WA Almanack |
| Clark | J. | Teamster | Onslow, Ashburton | 1889 | WA Almanack |
| Clark | J. | Butcher | Day Dawn | 1897 | Witton's Directory |
| Clark | J. R. | School Master | Preston | 1897 | Witton's Directory |
| Clark | J. U. | Teamster | Onslow | 1897 | Witton's Directory |
| Clark | J. W. | Refreshment Rms | Bayley Street, Coolgardie | 1897 | Witton's Directory |
| Clark | James | Farm Labourer | Guildford | 1882 | WA Almanack |
| Clark | James | Farm Labourer | Guildford | 1883 | WA Almanack |
| Clark | James | Farmer | Brunswick, Collie, Harvey & Perth Road | 1887 | WA Almanack |
| Clark | James | Publican | Onslow (Ashburton) | 1887 | WA Almanack |
| Clark | James | Farmer | Bunbury (Brunswick, Collie, Harvey & Perth Road) | 1888 | WA Almanack |
| Clark | James | Hotelkeeper | Onslow (Ashburton) | 1888 | WA Almanack |
| Clark | James | Farmer | Bunbury, Etc. (Brunswick, Collie, Harvey & Perth Road) | 1889 | WA Almanack |
| Clark | James | Hotelkeeper | Onslow, Ashburton | 1889 | WA Almanack |
| Clark | James & Co. | Merchants | Onslow | 1897 | Witton's Directory |
| Clark | Jas. | Farmer | Wellington District (Brunswick Collie Harvey & Perth Road) | 1884 | WA Almanack |
| Clark | Jas. | Farmer | Wellington District (Brunswick, Collie, Harvey & Perth Road) | 1886 | WA Almanack |
| Clark | John | | Randell Street, Perth | 1897 | Witton's Directory |
| Clark | John | | Bunbury | 1897 | Witton's Directory |
| Clark | Joseph | Carpenter | Fremantle | 1874 | Herald Almanack |
| Clark | Joseph | Carpenter | Fremantle | 1875 | Herald Almanack |
| Clark | Joseph | Carpenter | Fremantle | 1875 | WA Almanack |
| Clark | Joseph | Carter | Fremantle | 1876 | Herald Almanack |
| Clark | Joseph | Carter | Fremantle | 1877 | Herald Almanack |
| Clark | Joseph | Carter | Fremantle | 1878 | Herald Almanack |
| Clark | Joseph | Carpenter | Fremantle | 1879 | Herald Almanack |
| Clark | Joseph | Carter | Fremantle | 1879 | WA Almanack |
| Clark | Joseph | Carpenter | Fremantle | 1880 | Herald Almanack |
| Clark | Joseph | Carter | Fremantle | 1880 | WA Almanack |
