| Lucas | John Chas. | Boyden Farm, Newcastle | CL3 | 1912 |
| Lucas | John Chas. | Boydon Farm, Toodyay | CL3 | 1924 |
| Lucas | Maria | Boyden, Newcastle | J8L | 1912 |
| Lucas | R. A. & E. | Victoria Loc. Lots 5 and 1475, Carnamah | 4LR and 16B, 105A | 1962 |
| Lucas | T. H. | Lilydale, Williams | 5TL | 1912 |
| Lucas | T. H. | Lillydale, Williams | 5TL | 1924 |
| Lucas | W. | Avondale Estate, Lot 2, Beverley West | N9L | 1924 |
| Lucas | W. N. | Roselea Farm, Newcarnie | N3L | 1912 |
| Lucas | W. N. | Roselea Farm, Newcarnie | N3L | 1924 |
| Lucas & Sons | F. | Inering, Carnamah | 4LZ and 20D, 84E | 1962 |
| Lucas Bros. | - | Bethral Green, Karlgarin | L1K and 12D, 118E | 1962 |
| Lucchesi | E. & C. | Williams 1885-6 6550, Kulin | EL1 and 22D, 43E | 1962 |
| Lucev | B. J. & M. | 6550, Kojonup | B5L and 21A, 30B | 1962 |
| Luck | Susan B. A. | East Cannington | GL4 | 1927 |
| Lucke | Fredrick | Graball | QL3 | 1924 |
| Lucke | Maria | Boydon, Toodyay | J8L | 1924 |
| Luckman | E. E. & D. E. | Ninghan 581-7, 700, 580, Welbungin | K9L and 43B, 71A | 1962 |
| Luckman | Kathleen J. | Dandaning, Nungarin | K9L | 1924 |
| Luckman | W. E. | Nungarin | L9W | 1924 |
| Luckman | W. E. | Ninghan 584 and 585, Welbungin | L9W and 112A, 23B | 1962 |
| Lucksford | W. F. | Lucks Downs, Cranbrook | WL5 | 1912 |
| Lucksford | W. F. | Lucks Downs, Cranbrook | WL5 | 1924 |
| Lucy | V. E. | Charlecote Park, Shackleton | VL7 and 49D, 8E | 1962 |
| Ludeman | A. J. & J. | Blue Hills, Culham | 5JL and 29D, 30E | 1962 |
| Ludemann | Edward | Bolgart | 1EL | 1912 |
| Ludemann | Edward | Bolgart | 1EL | 1924 |
| Ludemann | H. C. | Bolgart Estates Lots 10 and 13, Bolgart | 1EL and 13B, 23E | 1962 |
| Ludemann & Son | D. | Glendearg, Paisley and Ashley, Bejoording | D1L and 54F, 16B | 1962 |
| Ludlow | E. | Delmenico's Run, Bonnievale | 5EL | 1912 |
| Ludlow | E. | Delmenico's Run, Bonnievale | 5EL | 1924 |
| Ludlow | R. G. | Leithvale, Bayswater | SU1 | 1912 |
| Ludlow | R. G. | Leithvale, Bayswater | SU1 | 1924 |
| Ludlow | R. T. | 35 Alexander St, Lot 190, Wembley | KL7 and 49C, 43A | 1962 |
| Ludlow & Cressey | - | McEncroe's Run, Bulla Bulling | L8C | 1912 |
| Ludlow & Cressey | - | McEncroe's Run, Bulla Bulling | L8C | 1924 |
| Ludwig | D. | Ludwig Park, Cunderdin | DL5 | 1912 |
| Ludwig | D. | Ludwig Park, Cunderdin | DL5 | 1924 |
| Luelf | W. | Falcon Hurst, Talbot, via York | LU5 and 29D, 33E | 1962 |
| Luelf | Wm. H. A. | Falconhurst, Talbot, Via York | LU5 | 1924 |
| Luestner | Rembold | Yarri, Via Kookynie | 3XL | 1924 |
| Luff | Edgar J. | Williams Location 12151, West Popanyinning | YU9 | 1924 |
| Luff | J. | Tourcoing, Bedfordale | L6F | 1962 |
| Lugg | Chas. G. | H. F. 9413 / 74, Pingelly | 4CL | 1912 |
| Lugg | Chas. G. | H.F. 9413/74, Pingelly | 4CL | 1924 |
| Lugg | J. | Standard Dairy, Wellard | LN0 and 15C, 18E | 1962 |
| Lugg | J. & R. | Quaalup, Ongerup | AH1 and 8B, 4A | 1962 |
| Lugg | J. C. (Miss) | Marningarlup, via Jerramungup | J0L and 8B, 7A | 1962 |
| Lugg | R. L. (Mrs) | Standard Dairy, Wellard | LL4 and 15C, 25E | 1962 |
| Lugton | Keith | Aeton Rock; East Dalwallinu | K1L | 1928 |
| Luhala Pty. Ltd. | - | Mingarry, Bokal | LP4 and 17B, 103E | 1962 |
