| Williamson | Emily | Clontoff Road. Lots 9 & 10, Fremantle | 4XW | 1924 |
| Williamson | Frank | Quallilup Lake, Dalyup, Esperance | 7YQ | 1925 |
| Williamson | G. J. | Block 5381, Bowes Estate, Dindiloa via Geraldton | JV2 | 1912 |
| Williamson | G. J. | Block 5381, Bowes' Estate, Dindiloa via Geraldton | JV2 | 1924 |
| Williamson | H. C. | Bokerron Farm, Wagin | 0HC | 1912 |
| Williamson | H. C. | Bokerron Farm, Wagin | 0HC | 1924 |
| Williamson | H. J. | Denmore Downs, Rocky Gully | 9GW and 43C, 71E | 1962 |
| Williamson | Herbert & Francis Hy. | Gladysville, Dalwallinu | U7W | 1924 |
| Williamson | I. V. | MY.1394, 914, 112, Waroona | H2V and 33B, 53F | 1962 |
| Williamson | J. A. | Glen View, Abba River, via Busselton | VX1 | 1962 |
| Williamson | J. G. | Locs. 1426, 1356, Waroona | 7JW and 48B, 9A | 1962 |
| Williamson | J. J. | Mannaflat, East Wickepin | JW9 and 25B, 12A | 1962 |
| Williamson | J. L. | Connemarra, East Wagin | L4W | 1912 |
| Williamson | J. L. | Connemarra, East Wagin | L4W | 1924 |
| Williamson | J. M. | Blue Duck, Harrismith | PW2 and 6C, 24A | 1962 |
| Williamson | L. W. | Lassogowrie, Cranbrook | L4W and 119B, 8E | 1962 |
| Williamson | P. E. | Gobabla, Williams | P2W and 11B, 35E | 1962 |
| Williamson | P. W. & E. G. | Illoura, Gidgegannup | P3W and 43D, 34E | 1962 |
| Williamson | R. | Greenlands, Abba River, via Busselton | LW3 and 105B, 67E | 1962 |
| Williamson | R. B. | Umuna Farm, West Dale, Beverley West | U0V | 1924 |
| Williamson | R. E. | Wairoie, 8403, 8407, 8775, 8848, 8972, Canna | W9E and 45B, 118E | 1962 |
| Williamson | Robert | Pinedale, Dorakin via Wikepin | 5WR | 1912 |
| Williamson | Robt. | Pinedale, Dorakin, via Wickenpin | 5WR | 1924 |
| Williamson | T. G. | Hampton, Kellerberrin | 1TW | 1928 |
| Williamson | T. G. | Kylmore, Doodlakine | U4W and 12C, 19E | 1962 |
| WIlliamson | T. J. | Clyde Park, Dalwallinn | 1ZW | 1924 |
| Williamson | T. P. | Thule Farm, Wickepin | FW4 and 44C, 7E | 1962 |
| Williamson | T. P. | Southampton, Balingup | TW1 | 1962 |
| Williamson | Thomas | Wellington Locs. 3531, part of 194 and 249, Udue, Harvey | TW1 | 1928 |
| Williamson | Walter F | Thule Farm, 86 Gate, Wickepin | FW4 | 1924 |
| Williamson | Walter F. | Thule Farm, 86 Gate, Wickepin | FW4 | 1912 |
| Williamson | Wm. E | Lawlers | WE3 | 1924 |
| Williamson | Wm. E. | Lawlers | WE3 | 1912 |
| Williamson & Son | C. E. | Clyde Park, Dalwallinu | 1ZW and 52F, 48D | 1962 |
| Williamson & Son | G. J. | Leonora Red Acres, Nundamarra and Pine Ridge, Yuna | JV2 and 28D, 29E | 1962 |
| Williamson Bros. | - | Umuna, Beverley | U0V and 102D, 21E | 1962 |
| Willimott | F. E. S. | Applewood, Bridgetown | GT2 | 1912 |
| Willimott | George | Woolanooka, Walkaway | WR5 | 1912 |
| Willimott | R. | Woolanooka, Back Greenough | GW2 | 1912 |
| Willing | L. W. & E. J. | 1478, Busselton | LW7 and 119D, 17E | 1962 |
| Willington | Wm. | Glenrowan, East Narrogin | VW6 | 1912 |
| Willington | Wm. | Glenrowan, East Narrogin | BW6 | 1924 |
| Willis | A. W. & E. H. | 19983, Nukarni | 3KW and 50B, 9E | 1962 |
| Willis | G. A. | Naedyina Farm, Burracoppin | GV8 | 1924 |
| Willis | Geo. W. | Willis' Farm, Rockingham | 8VU | 1924 |
| Willis | H. A. | Loc. 10668, Merredin | XW7 and 14B, 103A | 1962 |
| Willis | H. E. | Locs. 10274-5-9, Northcliffe | 0GW | 1962 |
| Willis | Henry | Hammersley Farm, Table lands | LU6 | 1924 |
| Willis | J. | Lingdale, Bridgetown | JV8 and 39C, 107A | 1962 |
| Willis | J. D. | Loc. 2088, Donnybrook | 8WJ and 80B, 81E | 1962 |
