| Mason | B. | General Dealer | Perth | 1864 | WA Almanack |
| Mason | B. | General Dealer | Perth | 1865 | WA Almanack |
| Mason | B. | General Dealer | Perth | 1866 | WA Almanack |
| Mason | B. | General Dealer | Perth | 1867 | WA Almanack |
| Mason | B. | General Dealer | Perth | 1868 | WA Almanack |
| Mason | B. | Timber and General Merchant | Perth | 1869 | WA Almanack |
| Mason | B. | Timber & General Merchant | Perth | 1870 | WA Almanack |
| Mason | B. | Contractor | Fremantle | 1873 | Herald Almanack |
| Mason | B. | Mason Bird & Co. | Canning | 1873 | Herald Almanack |
| Mason | B. | Contractor | Fremantle | 1874 | Herald Almanack |
| Mason | B. | Timber Merchant | Fremantle | 1874 | WA Almanack |
| Mason | B. | - | Canning (Mason, Bird & Co.) | 1875 | Herald Almanack |
| Mason | B. | - | Canning (Mason Bird & Co.) | 1875 | WA Almanack |
| Mason | B. | - | Canning | 1876 | Herald Almanack |
| Mason | B. | (Mason, Bird, & Co.) | Canning & Kelmscott | 1876 | WA Almanack |
| Mason | B. | (Mason, Bird &Co.) | Canning | 1877 | Herald Almanack |
| Mason | B. | - | Canning (Mason, Bird, & Co.) | 1877 | WA Almanack |
| Mason | B. | Mason, Bird & Co. | Canning | 1878 | Herald Almanack |
| Mason | B. | (Mason, Bird & Co.) | Canning | 1879 | Herald Almanack |
| Mason | B. | (Mason, Bird & Co.) | Canning | 1880 | Herald Almanack |
| Mason | B. | - | Canning | 1880 | WA Almanack |
| Mason | B. | Mason Bird & Co. | Canning | 1881 | Herald Almanack |
| Mason | B. | Inspector of Roads | Canning | 1881 | WA Almanack |
| Mason | B. | (Mason, Bird & Co.) | Canning | 1882 | Herald Almanack |
| Mason | B. | Inspector of Roads | Canning | 1882 | WA Almanack |
| Mason | B. | (Mason, Bird & Co.) | Canning | 1883 | Herald Almanack |
| Mason | B. | Inspector of Roads | Canning | 1884 | WA Almanack |
| Mason | B. | Inspector of Roads | Canning | 1886 | WA Almanack |
| Mason | B. | Inspector of Roads | Canning | 1887 | WA Almanack |
| Mason | B. | Inspector of Roads | Canning | 1888 | WA Almanack |
| Mason | B. | Inspector of Roads | Canning | 1889 | WA Almanack |
| Mason | B. J. | Post Master | Abbott's, Nannine | 1897 | Witton's Directory |
| Mason | B. J. & W. | Contractors | Canning | 1886 | WA Almanack |
| Mason | B. J. & W. | Contractors | Canning | 1887 | WA Almanack |
| Mason | B. J. & W. | Contractors | Canning | 1888 | WA Almanack |
| Mason | B. J. & W. | Contractors | Canning | 1889 | WA Almanack |
| Mason | B. Jun. | - | Collie Saw Mills | 1879 | Herald Almanack |
| Mason | B. jun. | Store Assistant | Guildford | 1882 | WA Almanack |
| Mason | B. jun. | Bricklayer | Guildford | 1883 | WA Almanack |
| Mason | B. Junr. | - | Collie Saw Mills | 1880 | Herald Almanack |
| Mason | B. Junr. | - | Collie | 1881 | Herald Almanack |
| Mason | B. Junr. | - | Collie | 1882 | Herald Almanack |
| Mason | B. Junr. | - | Collie Saw Mills | 1883 | Herald Almanack |
| Mason | B. Junr. | - | Collie Saw Mills | 1884 | Herald Almanack |
| Mason | Benjamin | Overseer Roads Boards | Perth | 1882 | Herald Almanack |
| Mason | Benjamin | Overseer Roads Board | Perth | 1883 | Herald Almanack |
| Mason | Benjamin | Overseer Roads Board | Perth | 1884 | Herald Almanack |
| Mason | Benjamin | - | Perth | 1885 | Herald Almanack |
| Mason | Bird & Co. | Steam Sawmill Proprietors | Canning & Kelmscott | 1876 | WA Almanack |
| Mason | C. J. | Resident Engineer | Geraldton | 1879 | Herald Almanack |
