| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| MISS H | Mare | GREY | 74821 | 23/11/1981 | Stud Book | Deceased |
| MISS HALLEY | Mare | GREY | 80773 | 25/11/1991 | Stud Book | Not Eligible |
| MISS HALO | Mare | BAY/BROWN | F35921 | 23/10/1982 | Foal Recorded | Not Eligible |
| MISS HARLEQUIN | Mare | CHESTNUT | 77725 | 05/12/1975 | Stud Book | Deceased |
| MISS HARRIET | Mare | BROWN | 239701 | 29/10/2013 | Stud Book | Not Eligible |
| MISS HARRIS | Mare | BAY | 32203 | 01/01/1970 | Stud Book | Deceased |
| MISS HEART ACRE | Mare | CHESTNUT | C2-184579 | 19/10/2003 | Second Cross | Eligible |
| MISS HEARTBRACRE | Mare | CHESTNUT | C2-268630 | 06/10/2013 | Second Cross | Eligible |
| MISS HELMET | Mare | BROWN | 28792 | 27/11/1966 | Stud Book | Deceased |
| MISS HENRIETTA | Mare | BAY | 30780 | 06/09/1973 | Stud Book | Not Eligible |
| MISS HERA | Mare | GREY | 32345 | 01/01/1972 | Stud Book | Deceased |
| MISS HEROIC | Mare | CHESTNUT | 74576 | 01/01/1977 | Stud Book | Deceased |
| MISS HEST | Mare | BROWN | 61180 | 21/07/1975 | Stud Book | Not Eligible |
| MISS HILARITY | Mare | CHESTNUT | C2-178787 | 09/11/2006 | Second Cross | Not Eligible |
| MISS HILL | Mare | BLACK | 53187 | 13/10/1975 | Stud Book | Not Eligible |
| MISS HOITY TOITY | Mare | BROWN | C1-184900 | 29/01/1999 | First Cross | Not Eligible |
| MISS HOLLY | Mare | BROWN | 6499 | Stud Book | Deceased | |
| MISS HOLLY GIRL | Mare | BAY | 36445 | Stud Book | Deceased | |
| MISS HOLLY HU - HSH | Mare | BROWN | 125435 | 22/08/1993 | Stud Book | Deceased |
| MISS HOLLY MORN | Mare | PALOMINO | C1-157088 | 02/08/1991 | First Cross | Not Eligible |
| MISS HOLLYWOOD OAK | Mare | CHESTNUT | C1-162008 | 15/02/1999 | First Cross | Eligible |
| MISS HONEY | Mare | PALOMINO | 26441 | 26/10/1974 | Stud Book | Not Eligible |
| MISS HONEYCOMB | Mare | CHESTNUT | 18711 | 01/08/1972 | Stud Book | Not Eligible |
| MISS HOSTESS | Mare | BROWN | 38041 | Stud Book | Deceased | |
| MISS HOT SHOT | Mare | BLACK/GREY | C1-249838 | 12/11/2018 | First Cross | Eligible |
| MISS HUNTLEY | Mare | CHESTNUT | F16762 | 16/10/1978 | Foal Recorded | Not Eligible |
| MISS ICADE | Mare | CHESTNUT | 12247 | 03/10/1967 | Stud Book | Deceased |
| MISS IDLE | Mare | BROWN | 7703 | 26/02/1963 | Stud Book | Deceased |
| MISS IDOL - HSH | Mare | CHESTNUT | 167229 | 05/01/2003 | Stud Book | Not Eligible |
| MISS IMAGINE | Mare | BROWN | 269846 | 24/09/2023 | Stud Book | Eligible |
| MISS INDEPENDENCE | Mare | BROWN | F9600 | 18/10/1977 | Foal Recorded | Not Eligible |
| MISS INDI | Mare | BROWN | 188015 | 27/10/2007 | Stud Book | Not Eligible |
| MISS INDI ANNA | Mare | GREY | SM-137308 | 22/08/1989 | Special Merit - Stud Book | Deceased |
| MISS INDIANA ROSE | Mare | GREY | C1-150102 | 11/11/2000 | First Cross | Not Eligible |
| MISS INDIGO | Mare | CHESTNUT | 34543 | 01/04/1971 | Stud Book | Deceased |
| MISS INDIOS | Mare | BAY | 48473 | 17/12/1975 | Stud Book | Not Eligible |
| MISS INDY - HSH | Mare | BROWN | 187730 | 20/09/2008 | Stud Book | Not Eligible |
| MISS INGA | Mare | BAY | 34503 | 05/10/1971 | Stud Book | Deceased |
| MISS INTEGRITY | Mare | BAY | 20678 | Stud Book | Deceased | |
| MISS ISA | Mare | CHESTNUT | F25341 | 27/09/1980 | Foal Recorded | Not Eligible |
| MISS ISLAND | Mare | BROWN | 53904 | 01/08/1969 | Stud Book | Deceased |
| MISS ISLE | Mare | CHESTNUT | 58607 | 08/11/1976 | Stud Book | Not Eligible |
| MISS IVY | Mare | CHESTNUT | C1-266009 | 01/11/2011 | First Cross | Not Eligible |
| MISS J OLENA | Mare | CHESTNUT | C2-192796 | 30/12/2001 | Second Cross | Eligible |
| MISS JACK | Mare | BLACK | 80242 | 01/08/1987 | Stud Book | Not Eligible |
| MISS JACKIE | Mare | BAY | 59500 | 28/11/1977 | Stud Book | Not Eligible |
| MISS JACKPOT | Mare | PALOMINO | 15956 | 01/02/1971 | Stud Book | Deceased |
| MISS JACKSON | Mare | GREY | F12014 | 29/10/1977 | Foal Recorded | Not Eligible |
| MISS JACKY | Mare | CHESTNUT | 6238 | 01/01/1968 | Stud Book | Deceased |
| MISS JANE | Mare | BAY | 2703 | Stud Book | Deceased | |
| MISS JANITA | Mare | BROWN | 69492 | 24/12/1974 | Stud Book | Deceased |
| MISS JASMINE | Mare | GREY | 12365 | Stud Book | Deceased | |
| MISS JAWS | Mare | GREY | 53757 | Stud Book | Not Eligible | |
| MISS JAY LENA | Mare | BAY | C2-248395 | 10/09/2010 | Second Cross | Eligible |
| MISS JAY MAIN | Mare | BAY | F29809 | 01/11/1981 | Foal Recorded | Not Eligible |
| MISS JAYNE EYRE | Mare | BAY | 38783 | Stud Book | Not Eligible | |
| MISS JAZZ - HSH | Mare | GREY | 232660 | 12/09/2007 | Stud Book | Deceased |
| MISS JEDDA | Mare | BLACK | 13581 | Stud Book | Deceased | |
| MISS JENNY | Mare | BAY | 2134 | Stud Book | Deceased | |
| MISS JENNY GIRL | Mare | CHESTNUT | 37274 | 18/10/1975 | Stud Book | Not Eligible |
| MISS JESSETT | Mare | CHESTNUT | 48336 | 10/10/1977 | Stud Book | Not Eligible |
| MISS JESSICA | Mare | BLACK | 34516 | 01/01/1970 | Stud Book | Deceased |
| MISS JESSIE | Mare | PALOMINO | 18070 | 01/09/1971 | Stud Book | Deceased |
| MISS JESSIE GOLD | Mare | DUN | 64016 | 18/10/1978 | Stud Book | Deceased |
| MISS JET | Mare | BROWN/ROAN | 49599 | Stud Book | Deceased | |
| MISS JEZABEL - HSH | Mare | BAY | 31281 | 01/09/1964 | Stud Book | Deceased |
| MISS JIFFY | Mare | CHESTNUT | 46212 | 01/01/1973 | Stud Book | Not Eligible |
| MISS JIVE | Mare | CHESTNUT | B2-190955 | 07/11/1999 | Breeding Purposes Only - Second Cross | Not Eligible |
| MISS JODY | Mare | BAY | 6503 | 23/12/1968 | Stud Book | Deceased |
| MISS JOE | Mare | BAY | 307 | 01/08/1956 | Stud Book | Deceased |
| MISS JOSEPHINE | Mare | BAY | 36767 | Stud Book | Not Eligible | |
| MISS JOYARNA | Mare | CHESTNUT | 35897 | 05/10/1973 | Stud Book | Not Eligible |
| MISS JOYFIELD | Mare | CHESTNUT | 42035 | 08/11/1972 | Stud Book | Not Eligible |
| MISS JUANITA | Mare | CHESTNUT | 57803 | 02/01/1973 | Stud Book | Deceased |
| MISS JUDY | Mare | BAY | 37882 | 01/11/1967 | Stud Book | Deceased |
| MISS JULEA CECIL | Mare | BROWN | 137805 | 20/08/1996 | Stud Book | Not Eligible |
| MISS JULIE | Mare | BAY | 12328 | Stud Book | Deceased | |
| MISS JUSTICE | Mare | BAY/BROWN | C1-234838 | 04/10/2011 | First Cross | Not Eligible |
| MISS KABLE | Mare | BAY | C2-258345 | 24/12/2007 | Second Cross | Eligible |
| MISS KADRU | Mare | CHESTNUT | 20606 | 26/10/1968 | Stud Book | Deceased |
| MISS KALENA | Mare | BAY | 56270 | 04/11/1976 | Stud Book | Not Eligible |
| MISS KALGOORLIE | Mare | CHESTNUT | 39299 | 13/08/1971 | Stud Book | Deceased |
| MISS KALIMAH | Mare | CHESTNUT | 15497 | 15/08/1969 | Stud Book | Deceased |
| MISS KANITRA II | Mare | BAY | 42603 | 25/12/1974 | Stud Book | Not Eligible |
| MISS KATE | Mare | CHESTNUT | 26446 | Stud Book | Not Eligible | |
| MISS KATIE | Mare | CHESTNUT | 43907 | 01/11/1975 | Stud Book | Not Eligible |
| MISS KATIE ACRE | Mare | BAY/BROWN | 244509 | 22/10/2013 | Stud Book | Not Eligible |
| MISS KAYDY | Mare | CHESTNUT | 57635 | 16/09/1978 | Stud Book | Not Eligible |
| MISS KB | Mare | CHESTNUT | F10390 | 16/07/1977 | Foal Recorded | Not Eligible |
| MISS KELLY | Mare | BAY | 26074 | 06/11/1972 | Stud Book | Not Eligible |
| MISS KELLYCUTTER | Mare | PALOMINO | 67668 | 08/10/1977 | Stud Book | Not Eligible |
| MISS KENTUCKY | Mare | CHESTNUT | 36724 | 01/10/1972 | Stud Book | Not Eligible |
| MISS KILLARNEY | Mare | CHESTNUT | 32192 | 01/01/1971 | Stud Book | Deceased |
| MISS KIM | Mare | CHESTNUT | 28692 | Stud Book | Not Eligible | |
| MISS KIMBERLEY - HSH | Mare | CHESTNUT | 2502 | 18/08/1962 | Stud Book | Deceased |
| MISS KING | Mare | BLACK/PIED | 53381 | Stud Book | Not Eligible | |
| MISS KISMA | Mare | PALOMINO | 7456 | Stud Book | Deceased | |
| MISS KISMET | Mare | CHESTNUT | 74911 | 22/08/1983 | Stud Book | Not Eligible |
| MISS KISSY | Mare | BROWN | F22318 | 18/11/1979 | Foal Recorded | Not Eligible |
| MISS KITEE E | Mare | BROWN | 20440 | Stud Book | Deceased |