| Pearse & Co | | Storekeepers | Mingenew | 1897 | Witton's Directory |
| Pearse & Co. | F. | Merchants | Irwin & Dongara | 1874 | Herald Almanack |
| Pearse & Co. | W. S. | Butchers & Tanners | Fremantle | 1873 | Herald Almanack |
| Pearse & G. | W.S. | Butchers | Fremantle | 1879 | Herald Almanack |
| Pearse & Owston | - | Ship Owners & Importers | Fremantle | 1874 | Herald Almanack |
| Pearse & Owston | - | Shipowners and Importers | Fremantle | 1875 | WA Almanack |
| Pearse & Owston | - | Shipowners and Importers | Fremantle | 1876 | WA Almanack |
| Pearse & Owston | - | Shipowners & importers | Fremantle | 1877 | Herald Almanack |
| Pearse & Owston | - | Shipowners and Importers | Fremantle | 1877 | WA Almanack |
| Pearse & Owston | - | Shipowners & Importers | Fremantle | 1878 | Herald Almanack |
| Pearse & Owston | - | Shipowners & importers | Fremantle | 1879 | Herald Almanack |
| Pearse & Owston | - | Shipowners & Importers | Fremantle | 1879 | WA Almanack |
| Pearse & Owston | - | Shipowners & importers | Fremantle | 1881 | Herald Almanack |
| Pearse & Owston | - | Shipowners | Fremantle | 1881 | WA Almanack |
| Pearse & Owston | - | Ship Agents | Fremantle | 1883 | WA Almanack |
| Pearse & Owston | - | Ship Agents | Fremantle | 1884 | WA Almanack |
| Pearse & Owston | - | Shipowners | Fremantle | 1887 | WA Almanack |
| Pearse & Owston | - | Shipowners | Fremantle | 1888 | WA Almanack |
| Pearse & Owston | - | Shipowners | Fremantle | 1889 | WA Almanack |
| Pearse & Owston. | - | Shipowners & Importers | Fremantle | 1880 | Herald Almanack |
| Pearse and Company | F. | Merchants | Irwin & Dongara | 1875 | WA Almanack |
| Pearse Bros | | Carriage Builders | Murray Street, Perth | 1897 | Witton's Directory |
| Pearse Bros | | Boot & Shoe Warehouse | Bayley Street, Coolgardie | 1897 | Witton's Directory |
| Pearse Bros. | | Boot manufacturers & Importers | High Street, Fremantle | 1897 | Witton's Directory |
| Pearse Bros. | - | Tanners | Fremantle | 1877 | WA Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1878 | Herald Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1879 | WA Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1880 | Herald Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1880 | WA Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1881 | Herald Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1881 | WA Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1882 | WA Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1883 | WA Almanack |
| Pearse Bros. | - | Tanners | Fremantle | 1884 | WA Almanack |
| Pearse Bros. | - | Tanners, N.F. Bootfactory | Fremantle | 1887 | WA Almanack |
| Pearse Bros. | - | Tanners Boot Factory | Fremantle | 1888 | WA Almanack |
| Pearse Bros. | - | Tanner; Boot Factory | Fremantle | 1889 | WA Almanack |
| Pearse Buildings -- | | | Swan Street, North Fremantle | 1897 | Witton's Directory |
| Pearse W. S. & G. | - | Butchers | Fremantle | 1888 | WA Almanack |
| Pearse W. S. & G. | - | Shipowners | Fremantle | 1888 | WA Almanack |
| Pearse& Owstons | - | Shipowners | Fremantle | 1880 | WA Almanack |
| Pearson | C. | Warehouseman | Perth | 1872 | WA Almanack |
| Pearson | C. | Wharehouseman | Saint George's Terrace, Perth | 1873 | Herald Almanack |
| Pearson | C. | Warehouseman | Perth | 1873 | WA Almanack |
| Pearson | C. | Warehouseman | Perth | 1874 | Herald Almanack |
| Pearson | C. | Warehouseman | Perth | 1874 | WA Almanack |
| Pearson | C. | Warehouseman | Perth | 1875 | Herald Almanack |
| Pearson | C. | Warehouseman | Perth | 1875 | WA Almanack |
| Pearson | C. | Warehouseman | Perth | 1876 | Herald Almanack |
| Pearson | C. | Warehouseman | Perth | 1876 | WA Almanack |
