| Lynch . | David G. | Gilgering, Avon District | D3L | 1912 |
| Lynch Bros. | - | Three Springs | L4L | 1912 |
| Lynch Bros. | - | Three Springs | L4L | 1924 |
| Lynch-Blosse | P. W. | Buckland Estate, Lot 2, Burk's Siding, Northam | K4U | 1924 |
| Lyncham | E. D. | Springvale, Dinninup | E7L and 22D, 48E | 1962 |
| Lyndon Station Pty. Ltd. | - | Lyndon Station, Carnarvon | YX1 and 24B, 24E | 1962 |
| Lyneham & Son | A. W. | Glenlevit, Popanyinning | S7G and 4B, 47A | 1962 |
| Lynes | James | Rosedale Farm, Carrolup, Via Katanning | 2LK | 1924 |
| Lynn | A. M. | Gloucester Farm, Cunderdin | 2EX and 16C, 47A | 1962 |
| Lynn | Anne Ellen | Glen Lynn; Bridgetown | 7YL | 1928 |
| Lynn | J. C. | Glenlynn, Bridgetown | 7YL and 28D, 4E | 1962 |
| Lynn | John F. | Glenholme, Bendering | 6YN | 1924 |
| Lynn | John H. | Avonlea, Bendering | 0LF | 1924 |
| Lynn | R. | Loc. 738, Yallingup | LY1 | 1962 |
| Lynn | R. D. | Locs. 12050, 14911, 10872, Minnivale | 2KL and 14C, 38A | 1962 |
| Lynn | S. D. | Eclipse Farm, Waeel | 2KL | 1924 |
| Lyon | A. H. | Locs. 83 and 95, Brookhampton | HL6 and 5A, 6C | 1962 |
| Lyon | E. C. | 496 Great Eastern Highway, Redcliffe | VL1 | 1962 |
| Lyon | G. A. & D. M. | Fairfields, Ballidu | G9L and 71A, 10C | 1962 |
| Lyon | Henry | Strawberry Vale, Thomson's Brook | VL1 | 1912 |
| Lyon | Henry | Strawberry Vale, Thomson's Brook | VL1 | 1924 |
| Lyon | Henry B. | Hawthorn, Thomson's Brook | HL6 | 1912 |
| Lyon | Henry B. | Hawthorn, Thompson's Brook | HL6 | 1924 |
| Lyon | I. D. | Swan 2196, Glen Forrest | 9DL and 71A, 104B | 1962 |
| Lyon | L. E. | Morialta, ballidu | 0DL and 102C, 16A | 1962 |
| Lyon | Lanard D. | Locations 836 and 82, Wongan Hills | 0DL | 1924 |
| Lyon | P. W. | Megunyah, Merredin | PL1 and 39B, 44E | 1962 |
| Lyon | R. & J. | 11214, Nannup | RJ7 and 3E, 84B | 1962 |
| Lyon | Walter C. | Loch Lomond, Tammin | WL4 | 1912 |
| Lyon | Walter C. | Loch Lomond, Tammin | WL4 | 1924 |
| Lyon & Holland | - | North Lake Dairy, Bibra Lake | UK1 | 1924 |
| Lyonel | E. | Byring Stud Farm, Mundaring | EL2 and 39A, 22B | 1962 |
| Lyons | A. H. | Inverdon, Cranbrook | LA3 | 1912 |
| Lyons | A. H. | Inverdon, Cranbrook | LA3 | 1924 |
| Lyons | Alice | Alicevale, Waroona | LA2 | 1912 |
| Lyons | Alice | Alicevale, Waroona | LA2 | 1924 |
| Lyons | F. H. | Gimlet Hill, Ballidu | YP2 and 39B, 45E | 1962 |
| Lyons | F. R. (Mrs) | Drakesbrook, Waroona | LA2 and 21B, 5A | 1962 |
| Lyons | Fredrick Henry | Gimlet Hill, Ballidu | YP2 | 1924 |
| Lyons | Hannah M. | Gren Brook, Waroona | H4L | 1912 |
| Lyons | Hannah M. | Green Brook, Waroona | H4L | 1924 |
| Lyons | J. J. | Queenwood Farm, Preston Valley | LQ7 | 1924 |
| Lyons | John | Duck Creek, Onslow | 3UY | 1924 |
| Lyons | John | Hazel Glen, Bruce Rock, Via Merredin | LY0 | 1924 |
| Lyons | Patrick | Nullagine | P7L | 1924 |
| Lyons | R. J. | Molyalling, E. Narrogin | LY2 | 1912 |
| Lyons | R. J. | Molyalling, East Narrogin | LY2 | 1924 |
| Lyons | R. J. | Drakesbrook, Waroona | 1RL and 11D, 43E | 1962 |
| Lyons | S. H. & P. | Rock View Farm, Emu Hill | XN9 | 1924 |
| Lyons | T. G. | Avon 13635, Corrigin | L1X and 67E, 32D | 1962 |
