| Mills | Sarah | Sunrise Farm, Doodenanning | 7MX | 1924 |
| Mills | U. R. | Evenmore, Greenhills | 9RM | 1924 |
| Mills | U.R. | Evermore, Greenhills | 9RM | 1912 |
| Mills | Uriah C. | Glen Irwin, Gilgering, York | UM2 | 1912 |
| Mills | Uriah C. | Glen Irwin, Gilgering, York | UM2 | 1924 |
| Mills | V. G. | Miarunging, Brookton | VM8 and 26E, 41B | 1962 |
| Mills | Vict. M. | Avon Loc. 6846, East Brookton | VM8 | 1924 |
| Mills | W. C. & V. I. | Millbridge, Mt. Barker | 2WM and 119D, 115E | 1962 |
| Mills | W. G. G. | Marama, Nyabing | W4M and 14B, 25E | 1962 |
| Mills | W. T. | Masonville, Armadale | 4WM | 1924 |
| Mills | W.T. | Mason Ville, Armadale | 4WM | 1912 |
| Mills | Walter P. | Burnside, Margaret River | AA1 | 1926 |
| Mills | Wm. F. | Kent Loc. 637, Ongerup | FU0 | 1924 |
| Mills & Sorrensea | - | Miner's Lease No. 1, Marble Bar | 1MS | 1912 |
| Mills & Sorrensen | - | Miner's Lease No.1, Marble Bar | 1MS | 1924 |
| Millsteed | A. W. | Lot 27, Jandakot | A3M and 50B, 45A | 1962 |
| Millsteed | R. G. | Lease No. 347/6801, Watheroo | R9M and 18E, 34D | 1962 |
| Millsteed | T. G. & E. | Mocardy, Wongan Hills | U1G and 45E, 26B | 1962 |
| Millsteed | W. G. | Mocardy, Wongan Hills | U1G | 1924 |
| Millsteed | W. H. | Black Boy Hill Estate, Northam | M4L | 1912 |
| Millsteed | W. H. | Black Boy Hill Estate, Northam | M4L | 1924 |
| Millsteed & Co. | C. E. | Locs. 22102, 16598, 12350, Wongan Hills | M4L and 44A, 39B | 1962 |
| Miln | Ewan | Greenslopes, Boddington | ZE4 | 1924 |
| Milne | A. & G. | Coorderong, Riverton | M1L and 45D, 21E | 1962 |
| Milne | A. D. | Coordewandy Station, Carnarvon | N1Q | 1924 |
| Milne | D. B. | Moana, Borden | 4YY | 1924 |
| Milne | David | Moana, Salt River via Broomehill | M7M | 1912 |
| Milne | David | Moana, Salt River, via Broomehill | M7M | 1924 |
| Milne | G. G. | Killesby, Borden | 5GM and 67B, 10A | 1962 |
| Milne | J. F. | Loc. 324, Kalamunda | M6J and 7D, 112E | 1962 |
| Milne | M. A. | Moana, Borden | 7XN | 1924 |
| Milne | M. A. | Yardup, Borden | 7XN and 10B, 10A | 1962 |
| Milne | M. M. | Unannup, Cranbrook | 4YY and 10A, 10C | 1962 |
| Milne | Neil Douglas | Millbrae, East Wagin | 1DX | 1924 |
| Milne | W. McI. | Hillhead, Kojonup | 5MM and 12C, 6A | 1962 |
| Milne & Co. | A. D. | Coordewandy Station, Carnarvon | Z1U and 44B, 19E | 1962 |
| Milne & Co. | W. H. | Regent Farm Park, Kulin | 6WG and 80B, 38E | 1962 |
| Milne Bros. | - | Moana, Borden | M7M and 18D, 109E | 1962 |
| Milne-Robertson | R. | Preston A. A. 222-3-8, 215, Mumballup | M1R and 18A, 23B | 1962 |
| Milne-Robertson Bros. | - | Struan Park, Mumballup | MR2 and 45E, 23B | 1962 |
| Milner | A. | Fagley Grove, Busselton | A9M and 46C, 32E | 1962 |
| Milner | J. D. | M.1728, M.1820, Yericoin | MZ7 and 104A, 36B | 1962 |
| Milner | J. J. | Aralyn, Pt. Loc. 5107-8, Porongorups, via Mt. Barker | J7M and 50D, 27E | 1962 |
| Milo | T. | Preston A. A. Lot 250, 336, Brookhampton | T4M and 39B, 12E | 1962 |
| Milroy | John | Loch Lomond, Trayning | V7M | 1924 |
| Milton | C. H. | Wootating, Chidlow's Well | M1L | 1924 |
| Milton | C.H. | Wootating, Chidlow's Well | M1L | 1912 |
| Milton | George | Loc. 9509, 9513, Lake Grace | X0G | 1924 |
| Milton | W. H. | Beulah, Katanning | 9MK | 1924 |
| Milton | W.H. | Beulah, Katanning | 9MK | 1912 |
