| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| MISS MELLONEY MARPLE | Mare | BROWN/BLACK | 113458 | 05/09/1989 | Stud Book | Not Eligible |
| MISS MELODY | Mare | BROWN | 27805 | Stud Book | Not Eligible | |
| MISS MELROSE | Mare | BAY | 33837 | 01/10/1973 | Stud Book | Deceased |
| MISS MERINDA | Mare | BAY | 11403 | Stud Book | Deceased | |
| MISS MERLIN SMITH - HSH | Mare | BROWN/BLACK | 232222 | 05/12/2004 | Stud Book | Deceased |
| MISS MERMAID | Mare | BROWN | 1332 | Stud Book | Deceased | |
| MISS MERRIGAL | Mare | CHESTNUT | 49069 | 01/10/1974 | Stud Book | Not Eligible |
| MISS METAL | Mare | BAY | 14641 | Stud Book | Deceased | |
| MISS METALLIC | Mare | CHESTNUT | C1-259229 | 31/08/2020 | First Cross | Eligible |
| MISS MICHAEL | Mare | CHESTNUT | 8711 | Stud Book | Deceased | |
| MISS MICKE | Mare | BROWN | 66773 | Stud Book | Deceased | |
| MISS MIDGET | Mare | BAY | 72433 | 10/12/1982 | Stud Book | Not Eligible |
| MISS MILES | Mare | BAY | F17395 | 16/09/1978 | Foal Recorded | Not Eligible |
| MISS MILLER - HSH | Mare | CHESTNUT | 140 | 01/08/1963 | Stud Book | Deceased |
| MISS MILLIE | Mare | CHESTNUT | 31746 | 01/10/1969 | Stud Book | Deceased |
| MISS MILLIE CLARKITA | Mare | CHESTNUT | C1-250117 | 20/09/1991 | First Cross | Not Eligible |
| MISS MIMOSA TAMMY | Mare | BAY | 55800 | Stud Book | Not Eligible | |
| MISS MINDY | Mare | BAY | 65141 | 06/10/1979 | Stud Book | Not Eligible |
| MISS MING - HSH | Mare | BLACK/GREY | 57017 | 17/09/1978 | Stud Book | Not Eligible |
| MISS MINGO | Mare | BAY | 16152 | 11/09/1970 | Stud Book | Deceased |
| MISS MINGO DELL | Mare | BAY | 19118 | 02/10/1972 | Stud Book | Deceased |
| MISS MINILYA | Mare | BROWN | 29861 | 01/01/1972 | Stud Book | Deceased |
| MISS MINNIE | Mare | BROWN | 50206 | Stud Book | Not Eligible | |
| MISS MINOGUE | Mare | CHESTNUT | C1-153164 | 03/12/1997 | First Cross | Deceased |
| MISS MINSTREL | Mare | GREY | 19093 | 01/08/1960 | Stud Book | Deceased |
| MISS MINUET | Mare | CHESTNUT | 66418 | 01/01/1979 | Stud Book | Deceased |
| MISS MIRANDA | Mare | BROWN/BUCKSKIN | C2-195412 | 25/10/2009 | Second Cross | Not Eligible |
| MISS MISCHIEF | Mare | BROWN | 1633 | 29/05/1965 | Stud Book | Deceased |
| MISS MISCHIEF MAKER | Mare | BROWN | 173408 | 31/12/1999 | Stud Book | Not Eligible |
| MISS MISTY | Mare | GREY | 30750 | 01/01/1970 | Stud Book | Deceased |
| MISS MITCHELL | Mare | BAY | 34828 | 01/01/1968 | Stud Book | Deceased |
| MISS MITZI | Mare | GREY | 2830 | Stud Book | Deceased | |
| MISS MIXINES MAX RAY | Stallion | DUN | F44385 | 19/09/1987 | Foal Recorded | Not Eligible |
| MISS MODEL | Mare | BAY | 32157 | 20/07/1970 | Stud Book | Deceased |
| MISS MOLL | Mare | BAY | F12749 | 13/12/1977 | Foal Recorded | Not Eligible |
| MISS MOLLY | Mare | BAY | 34759 | Stud Book | Not Eligible | |
| MISS MOLLY RAY DEE | Mare | BAY/BROWN | 268753 | 04/10/2009 | Stud Book | Eligible |
| MISS MONEY PENNY | Mare | GREY | 30337 | 01/01/1967 | Stud Book | Deceased |
| MISS MONSOON | Mare | BLACK | C1-261428 | 03/11/2021 | First Cross | Eligible |
| MISS MONTANA DOUBLE JAZZ | Mare | BUCKSKIN | C1-261397 | 08/08/2020 | First Cross | Not Eligible |
| MISS MOON | Mare | BROWN | 1483 | Stud Book | Deceased | |
| MISS MOONBEAM | Mare | BROWN | 35950 | Stud Book | Not Eligible | |
| MISS MORACO | Mare | BAY | 5513 | Stud Book | Deceased | |
| MISS MORENA | Mare | BLACK | 51236 | 06/02/1976 | Stud Book | Not Eligible |
| MISS MORTI | Mare | BAY/BROWN | 179448 | 09/12/2005 | Stud Book | Not Eligible |
| MISS MOSES | Mare | BROWN | 34992 | 01/09/1970 | Stud Book | Deceased |
| MISS MOUNT AZILA - HSH | Mare | BROWN/DUN | 130297 | 02/11/1996 | Stud Book | Not Eligible |
| MISS MOUNT ELIZA | Mare | DUN | 44395 | 01/08/1970 | Stud Book | Deceased |
| MISS MOUNT IZABELLA - HSH | Mare | BROWN/DUN | 115227 | 01/10/1990 | Stud Book | Not Eligible |
| MISS MOUNT SABLE - HSH | Mare | BROWN/DUN | 105701 | 22/10/1986 | Stud Book | Not Eligible |
| MISS MOUNT SHABIZA - HSH | Mare | BROWN/BLACK | 110195 | 05/10/1991 | Stud Book | Not Eligible |
| MISS MOUNT SHALA - HSH | Mare | BROWN/DUN | 126482 | 26/11/1994 | Stud Book | Eligible |
| MISS MOUNT SHAREY - HSH | Mare | BROWN | 113609 | 16/12/1988 | Stud Book | Not Eligible |
| MISS MOUNT SHARLEY - HSH | Mare | BROWN/DUN | 110193 | 16/12/1988 | Stud Book | Deceased |
| MISS MOUNT SHAZA - HSH | Stallion | BAY/BROWN | F115231 | 26/11/1993 | Foal Recorded | Not Eligible |
| MISS MOUNT SPRING MIST | Mare | DUN | 59128 | 08/10/1978 | Stud Book | Not Eligible |
| MISS MOUSE | Mare | BAY/GREY | C1-185843 | 12/12/2004 | First Cross | Not Eligible |
| MISS MOVE ON OVER | Mare | CHESTNUT | C1-192340 | 15/08/2002 | First Cross | Not Eligible |
| MISS MOZZ | Mare | BROWN | 48630 | 24/04/1976 | Stud Book | Deceased |
| MISS MUDGEE | Mare | BROWN | 7908 | Stud Book | Deceased | |
| MISS MUFFET | Mare | GREY | 2214 | 01/11/1965 | Stud Book | Deceased |
| MISS MUFFET WALER | Mare | BAY/ROAN | 49112 | 27/11/1976 | Stud Book | Not Eligible |
| MISS MUNGAY | Mare | CHESTNUT | 9598 | Stud Book | Deceased | |
| MISS MUPPET | Mare | BAY | F21795 | 08/01/1980 | Foal Recorded | Not Eligible |
| MISS MUSGRACE | Mare | CHESTNUT | 80940 | 01/08/1986 | Stud Book | Deceased |
| MISS MUSIC | Mare | GREY | 31013 | 01/01/1969 | Stud Book | Deceased |
| MISS MUSIC BAR | Mare | PALOMINO | F31767 | 15/10/1981 | Foal Recorded | Deceased |
| MISS MYALL | Mare | CHESTNUT | 54646 | Stud Book | Deceased | |
| MISS MYOWN | Mare | BROWN | 101683 | 12/07/1982 | Stud Book | Deceased |
| MISS NANA | Mare | BROWN | 80626 | 28/08/1992 | Stud Book | Not Eligible |
| MISS NANCY - HSH | Mare | BLACK | 15426 | 22/09/1957 | Stud Book | Deceased |
| MISS NARANG | Mare | CHESTNUT | 40502 | 29/09/1970 | Stud Book | Deceased |
| MISS NARINA | Mare | GREY | 70494 | 24/09/1975 | Stud Book | Not Eligible |
| MISS NEARWAY | Mare | BAY | 18948 | Stud Book | Deceased | |
| MISS NELL | Mare | BAY | 29969 | 01/09/1971 | Stud Book | Deceased |
| MISS NEPOLITAN | Mare | BROWN | 65165 | 01/08/1972 | Stud Book | Deceased |
| MISS NEWS | Mare | CHESTNUT | 35456 | 01/10/1973 | Stud Book | Not Eligible |
| MISS NIBBLES | Mare | BAY | 34600 | 01/01/1967 | Stud Book | Deceased |
| MISS NICE N COOL | Mare | GREY | 81111 | 23/11/1990 | Stud Book | Not Eligible |
| MISS NICKY | Mare | CHESTNUT | 68441 | 25/12/1979 | Stud Book | Not Eligible |
| MISS NICOLA - HSH | Mare | BAY | 7708 | 01/08/1962 | Stud Book | Deceased |
| MISS NICOLE | Mare | CHESTNUT | F7783 | 23/10/1976 | Foal Recorded | Not Eligible |
| MISS NIGHT FLITE | Mare | BAY | 52801 | 01/10/1971 | Stud Book | Deceased |
| MISS NIGHTWATCH | Mare | CHESTNUT | 103271 | 02/12/1987 | Stud Book | Deceased |
| MISS NIMBLE | Mare | BAY | 16106 | 01/01/1970 | Stud Book | Deceased |
| MISS NIPPER | Mare | BLACK | 24989 | 01/08/1969 | Stud Book | Deceased |
| MISS NO NAME | Mare | CHESTNUT | C1-194244 | 19/10/2006 | First Cross | Not Eligible |
| MISS NOBODY | Mare | BROWN | 21471 | 04/04/1969 | Stud Book | Deceased |
| MISS NOLA | Mare | BAY | 17197 | Stud Book | Deceased | |
| MISS NONNIE | Mare | GREY | 34060 | 25/01/1973 | Stud Book | Not Eligible |
| MISS NORMA - HSH | Mare | BROWN | 47571 | 26/09/1975 | Stud Book | Not Eligible |
| MISS NUISENCE | Mare | GREY | 71848 | 01/08/1981 | Stud Book | Not Eligible |
| MISS OAK N FRECK | Mare | CHESTNUT | C1-184398 | 15/12/1995 | First Cross | Not Eligible |
| MISS OGER | Mare | BROWN | 102416 | 22/09/1982 | Stud Book | Deceased |
| MISS OK | Mare | BROWN | 54051 | 10/07/1978 | Stud Book | Not Eligible |
| MISS OLGA | Mare | BAY | 21942 | 03/11/1969 | Stud Book | Deceased |
| MISS OPHELIA | Mare | BLACK | 7685 | 01/08/1959 | Stud Book | Deceased |
| MISS ORBIT | Mare | CHESTNUT | 8418 | Stud Book | Deceased | |
| MISS ORLANDO | Mare | CHESTNUT | 20359 | 21/12/1968 | Stud Book | Deceased |
| MISS OSWALD | Mare | BAY | 9539 | 22/08/1971 | Stud Book | Deceased |