| Milloy & Sons | J. | Victoria Locs. 4087, 4091, 4099, Morawa | 3MJ and 24D, 46E | 1962 |
| Mills | A. & S. | Bungalow, Kurrenkutten, via Corrigin | O2M | 1924 |
| Mills | A. G. | Carramar, Ongerup | A4M and 17D, 24E | 1962 |
| Mills | A. H. | Magill, Kent. Locs. 300, 349, 508, Ongerup | AW8 and 12C, 5E | 1962 |
| Mills | A. W. | Lake Mears, Dangin | 4AX and 120A, 27B | 1962 |
| Mills | Alfred G. | Commonage, Kanowna | AM6 | 1927 |
| Mills | B. K. | Fairholm, Wongoondy, via Mullewa | 2JM and 59F, 25D | 1962 |
| Mills | C. E. | Sunny Vale, Beechina, via Chidlow | 8MX | 1962 |
| Mills | E. | Rose View, Armadale | EM2 | 1962 |
| Mills | E. G. | Sunrise, Cunderdin | 7MX and 32A, 12C | 1962 |
| Mills | Edith | Hazelmere Farm via Dumbleyung | E1M | 1926 |
| Mills | Emanuel | Rose View, Armadale | EM2 | 1927 |
| Mills | F. (jnr.) | Millview, Bowelling | 9MX and 34C, 10E | 1962 |
| Mills | F. G. | Glenwarrie Kent. 296, Ongerup | FU0 and 43B, 19E | 1962 |
| Mills | F. M. | Kooringal, Aldersyde | Y2Y and 16A, 37B | 1962 |
| Mills | Frank E. | Wolya Station, via Geralton | X0X | 1912 |
| Mills | Frank. E. | Wolya Station, via Geraldton | X0X | 1924 |
| Mills | G. H. | Melbourne 2139, 2142, 2525, 1920, Ninghan 527-8, 350, Pithara | 9BP and 17B, 45E | 1962 |
| Mills | G. P. | Loc. 3092, Rosa Glen, Margaret River | YT8 | 1962 |
| Mills | H. | The Park, Avon 17767, Merredin | 7IM and 117D, 54F | 1962 |
| Mills | H. | W. S. L. S. A266, Denmark | MZ5 | 1962 |
| Mills | H. A. | Beaumont Park, Shackleton | 3MS and 12D, 71E | 1962 |
| Mills | H. C. | Abrahams Garden and Roundhill, Greenhills | 1LM and 24D, 26E | 1962 |
| Mills | H. M. & G. M. | Morackdong, Aldersyde | TS3 and 37B, 21E | 1962 |
| Mills | henry | Commonage, Carnarvon | HM0 | 1912 |
| Mills | Henry | Commonage, Carnarvon | HM0 | 1924 |
| Mills | Isaac | Yellanup, via Katanning | VY1 | 1924 |
| Mills | J. | Commonage, Roebourne | M7Q | 1924 |
| Mills | J. R. & V. C. | Wyming Brook, Mt. Barker | J0V and 49B, 71E | 1962 |
| Mills | J. S. | Narra Tarra, Geraldton | 0JX and 11B, 54F | 1962 |
| Mills | Jas. B. | Police Station, Northampton | B8M | 1925 |
| Mills | John | Strawberry | JM9 | 1912 |
| Mills | John | Strawberry | JM9 | 1924 |
| Mills | John. S. | Waggerakine, Geraldton | 0JX | 1924 |
| Mills | Leah | Abraham's Garden, Greenhills | 1LM | 1912 |
| Mills | Leah | Abraham's Garden, Greenhills | 1LM | 1924 |
| Mills | M. Mary | The Cottage, Wellington Mills | M1M | 1912 |
| Mills | M. Mary | The Cottage, Wellington Mills | M1M | 1924 |
| Mills | Mavis. T. | Grassmere, Pinjarra | N6Z | 1924 |
| Mills | Mrs E. J. | Calcarn Brook, Popanyinning | E9M | 1924 |
| Mills | Mrs. E.J. | Calcarn Brook, Popanyinning | E9M | 1912 |
| Mills | Mrs. Kitty | Carney's Hills, via Geraldton | OX3 | 1912 |
| Mills | N. M. | Mettabong, Dangin | T4N and 116A, 50B | 1962 |
| Mills | N. W. | Balyon, East Narrogin | N9E | 1924 |
| Mills | P. C. | Hillside, Mt. Barker | 2PM and 12A, 6C | 1962 |
| Mills | R. | Henry Road, York | MR9 and 35B, 80E | 1962 |
| Mills | R. F. | 11284 and 6185, Nyabing | M2R and 9D, 26E | 1962 |
| Mills | R. J. | Bungalow Farm, Armadale | X8M | 1924 |
| Mills | S. A. | 145 Gascoyne River, Carnarvon | MV5 | 1962 |
| Mills | S. E. & E. M. | Masonville, Aldersyde | 0SM and 26B, 30E | 1962 |
