| Logue | R. H. | Block 49/1527, Harvey | 8LL | 1924 |
| Logue | R. H. | Mt. Hill and Clover Downs, Walkaway | RL9 and 27B, 11E | 1962 |
| Logue | S. F. | Murchison House, Northampton | 2SL | 1912 |
| Logue | S. F. | Murchison House, Northampton | 2SL | 1924 |
| Logue | Sarah | Barney's Hill, Esperance | 0GL | 1924 |
| Logue | W. H. | Sea View, Mornington | K2L | 1924 |
| Logue & Son | M. | The Island and Loc. 6944, Walkaway | 9LQ and 107D, 4E | 1962 |
| Lohoar | W. & R. K. | Coromup, Gnowangerup | WL3 and 5E, 21D | 1962 |
| Lohoar | W. C. & E. M. | Eureka, Babakin | 3ML and 42B, 39E | 1962 |
| Lohoar | W. C. & E. M. | Forest Creek, Corrigin | HB6 and 110B, 38E | 1962 |
| Lohoar | W. J. & L. A. | Glen Gowrie, Babakin | WL1 and 46C, 49A | 1962 |
| Lohoar & Son | J. P. & A. | Wellshott, South Quairading | 9PL and 12A, 37C | 1962 |
| Lohour | J. P. | Glen Gawrie, Baldelling York | 9PL | 1912 |
| Lohour | J. P. | Glen Gawrie, Baldelling, Via York | 9PL | 1924 |
| Loller | Jas. L. | Blocks 10725, 10726, 10741, Dryazee, Baandee | LJ3 | 1912 |
| Loller | Jas. L. | Blocks 10725, 10726, 10741, ' Dryazee' Baandee | LJ3 | 1924 |
| Lomax | John Gerard | Lot 228, Jandakot | 8LX | 1924 |
| Lombert | C. E. | Claygate, Kwollyinn | 6CL | 1912 |
| Lombert | C. E. | Claygate, Kwollyinn | 6CL | 1924 |
| London | G. & J. | Coltness, Quairading | 6LN | 1912 |
| London | G. & J. | Coltness, Quairading | 6LN | 1924 |
| London | John | Cowara Hill, Wannamal | LU0 | 1924 |
| London | Richard J. | Harveston, Harvey | X1L | 1927 |
| London | Robt. | Balmoral, Onslow | RL7 | 1912 |
| London | Robt. | Balmoral, Onslow | RL7 | 1924 |
| London | Son, & Stewart | Pelana, Broomehill | LS2 | 1912 |
| London Son & Stewart | - | Pelana, Broomhill | LS2 | 1924 |
| Londquist | S. S. | Locs. 96. 97 and 117, Kelmscott | SL3 | 1912 |
| Londquist | S. S. | Locations 96, 97 and 117, Kelmscott | SL3 | 1924 |
| Lonear | A. | Government Road, Osborne Park | 2YO | 1924 |
| Lonergan | T. E. | Glenora, East Pingelly | 0TL and 10A, 44C | 1962 |
| Lonergan | T. F. | Cloheen Farm, Balkuling | L9Q | 1924 |
| Loney | A. C. & M. E. | Williams Loc. 1215, West Popanyining | 0AL and 9B, 84E | 1962 |
| Loney | Alan Stanley | Upwey, West Pingelly | Q9Z | 1925 |
| Loney | F. B. | Upwey, Wset Popanyining | Q9Z and 3D, 10E | 1962 |
| Loney | Peter | Upper Blackwood, Via Dwalgarrup | 4PL | 1924 |
| Long | A. T. | Chowringhee, Katanning | O3L | 1924 |
| Long | Albert W. | La Grange, Kimberley | K0Z | 1924 |
| Long | E., V. & D. | Jun Jun Springs and Lonsdale, Coorow | EL3 and 24D, 18E | 1962 |
| Long | Ernest A. | Jim Jim Springs, Coorow | EL3 | 1912 |
| Long | Ernest A. | Jim Jim Springs, Coorow | EL3 | 1924 |
| Long | G. C. | Cordinup, Cordinup, via Albany | K0A and 10C, 107E | 1962 |
| Long | H. | Hillside, Corrigin | 5ZL | 1924 |
| Long | J. | Worstead Farm, Greenbushes | LX7 | 1962 |
| Long | James | Cox's Lease, Derby | PL7 | 1924 |
| Long | Jas. | Fairfield Station, Derby | UV6 | 1912 |
| Long | Jas. | Fairfield Station, Derby | UV6 | 1924 |
| Long | R. W. | Waratah, Bridgetown | FL2 and 20C, 13E | 1962 |
| Long | W. | Pitsular | VL9 | 1924 |
| Long | William | Hall's Creek, East Kimberley | 3UQ | 1925 |
