| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| MARVELOUS MIDGE | Mare | BAY | 50205 | Stud Book | Not Eligible | |
| MARVEN | Gelding | BAY | C2-268282 | 14/08/2023 | Second Cross | Eligible |
| MARVILLE MYSTIC | Mare | CHESTNUT/ROAN | 105789 | 03/08/1987 | Stud Book | Not Eligible |
| MARVILLE ZOEY | Mare | CHESTNUT | 74026 | 01/01/1980 | Stud Book | Not Eligible |
| MARWOOD FLICKER | Gelding | BAY | 13589 | 01/08/1967 | Stud Book | Deceased |
| MARWOOD LASS | Mare | CHESTNUT | 46463 | 10/11/1973 | Stud Book | Not Eligible |
| MARWOODS PHOENIX | Gelding | CHESTNUT | 21827 | Stud Book | Deceased | |
| MARY | Mare | BAY | 2226 | Stud Book | Deceased | |
| MARY ANN | Mare | BAY | 9162 | Stud Book | Deceased | |
| MARY ANNE QUEEN | Mare | BROWN/BLACK | F15233 | 18/10/1976 | Foal Recorded | Not Eligible |
| MARY BROWN | Mare | BAY | 48705 | Stud Book | Not Eligible | |
| MARY C | Mare | BAY | 9168 | Stud Book | Deceased | |
| MARY CINDERELLA | Mare | BROWN | 16627 | 01/11/1966 | Stud Book | Deceased |
| MARY ELLEN | Mare | PALOMINO | 46625 | 01/01/1970 | Stud Book | Deceased |
| MARY II | Mare | BAY | 13762 | Stud Book | Deceased | |
| MARY III | Mare | CHESTNUT | 13760 | 05/09/1970 | Stud Book | Deceased |
| MARY JANE | Mare | BAY | 8888 | Stud Book | Deceased | |
| MARY LEE | Mare | BROWN | 29928 | 01/01/1966 | Stud Book | Deceased |
| MARY LOU | Mare | BAY | 3889 | 22/09/1965 | Stud Book | Deceased |
| MARY LOU ELLEN | Mare | GREY | 2922 | Stud Book | Deceased | |
| MARY LOU JUNIOR | Mare | BROWN | C2-233337 | 01/08/1999 | Second Cross | Not Eligible |
| MARY LU | Mare | CHESTNUT | 20223 | 15/10/1971 | Stud Book | Deceased |
| MARY MARGOT | Mare | GREY | 64183 | 01/01/1976 | Stud Book | Not Eligible |
| MARY OF THE VALLEY | Mare | BROWN | 77884 | 18/11/1989 | Stud Book | Deceased |
| MARY POPPINS | Mare | BROWN | 3162 | 01/01/1966 | Stud Book | Deceased |
| MARY RAY | Mare | GREY | 31453 | 01/01/1971 | Stud Book | Deceased |
| MARY RED | Mare | BAY | 44434 | 01/09/1973 | Stud Book | Not Eligible |
| MARYA | Mare | BAY | 12519 | 01/01/1969 | Stud Book | Deceased |
| MARYAL | Mare | CHESTNUT | 50369 | 09/02/1977 | Stud Book | Not Eligible |
| MARYGRAD | Stallion | BROWN | 6060 | Stud Book | Deceased | |
| MARYJANE - HSH | Mare | BAY | C2-183554 | 20/10/1997 | Second Cross | Eligible |
| MARYLAND SKY BLUE | Mare | BLACK/GREY | F35466 | 16/11/1982 | Foal Recorded | Not Eligible |
| MARYLANDS ALAMO GAY | Mare | BAY | 65361 | 04/12/1976 | Stud Book | Deceased |
| MARYLANDS ANGEL | Mare | BROWN | 65350 | 14/01/1980 | Stud Book | Deceased |
| MARYLANDS ANOUSCHIA | Mare | CHESTNUT | F29018 | 28/12/1980 | Foal Recorded | Deceased |
| MARYLANDS ARROW | Gelding | GREY | 51092 | Stud Book | Deceased | |
| MARYLANDS BARMAID | Mare | CHESTNUT | 65354 | 25/03/1979 | Stud Book | Not Eligible |
| MARYLANDS BESSA | Mare | BROWN/DUN | F40295 | 20/10/1984 | Foal Recorded | Not Eligible |
| MARYLANDS BRANDY | Stallion | BROWN | F23147 | 26/12/1979 | Foal Recorded | Deceased |
| MARYLANDS BREEZE | Mare | BROWN | 51093 | 10/11/1975 | Stud Book | Deceased |
| MARYLANDS BUNDY | Gelding | BAY | F30538 | 25/01/1981 | Foal Recorded | Deceased |
| MARYLANDS BUNNY BOY | Stallion | CHESTNUT | 65362 | 25/09/1978 | Stud Book | Deceased |
| MARYLANDS BURRUM BELLA | Mare | BROWN | 60657 | 11/08/1976 | Stud Book | Deceased |
| MARYLANDS CANDY | Mare | BAY | 24717 | Stud Book | Deceased | |
| MARYLANDS CHARISMA | Mare | BAY | F29016 | 26/08/1980 | Foal Recorded | Deceased |
| MARYLANDS CHERIE | Mare | BROWN | 24721 | Stud Book | Deceased | |
| MARYLANDS CINDY LOU | Mare | BAY | 24715 | Stud Book | Deceased | |
| MARYLANDS CLEO | Mare | BROWN | F36261 | 18/01/1983 | Foal Recorded | Not Eligible |
| MARYLANDS CLOVER | Mare | CHESTNUT | 24712 | Stud Book | Deceased | |
| MARYLANDS COMMA | Gelding | BLACK | F38235 | 29/12/1983 | Foal Recorded | Deceased |
| MARYLANDS COMMAND | Mare | CHESTNUT | 65349 | 27/10/1979 | Stud Book | Deceased |
| MARYLANDS COMMANDS GIFT | Mare | BAY | 60658 | 01/12/1978 | Stud Book | Deceased |
| MARYLANDS CONNOR | Gelding | CHESTNUT | F36258 | 28/08/1982 | Foal Recorded | Not Eligible |
| MARYLANDS CRYSTAL | Mare | BAY | 65356 | 25/10/1979 | Stud Book | Deceased |
| MARYLANDS DANCER | Mare | CHESTNUT | 51094 | 14/10/1976 | Stud Book | Deceased |
| MARYLANDS EBONY - HSH | Mare | BLACK | F40291 | 29/10/1984 | Foal Recorded | Deceased |
| MARYLANDS FAIRY | Mare | CHESTNUT | 51095 | Stud Book | Deceased | |
| MARYLANDS FERN | Mare | CHESTNUT | 24719 | 17/08/1972 | Stud Book | Deceased |
| MARYLANDS FLASH | Mare | CHESTNUT/PIED | F42091 | 04/12/1985 | Foal Recorded | Deceased |
| MARYLANDS GLAMOUR | Mare | DUN | F38147 | 06/02/1984 | Foal Recorded | Not Eligible |
| MARYLANDS GOPHER | Stallion | BAY/BROWN | F38146 | 06/01/1984 | Foal Recorded | Deceased |
| MARYLANDS GOSSIP | Mare | CHESTNUT | 65357 | 04/10/1979 | Stud Book | Deceased |
| MARYLANDS GUNDY | Stallion | BROWN | F30536 | 15/09/1980 | Foal Recorded | Deceased |
| MARYLANDS HARLEQUIN | Mare | CHESTNUT/PIED | F42089 | 17/11/1985 | Foal Recorded | Deceased |
| MARYLANDS HARMONI | Mare | ROAN | F36264 | 30/08/1982 | Foal Recorded | Not Eligible |
| MARYLANDS HOSTESS | Mare | BROWN/BLACK | 51096 | 25/05/1975 | Stud Book | Deceased |
| MARYLANDS HUMOUR | Gelding | BAY | F36265 | 20/09/1982 | Foal Recorded | Deceased |
| MARYLANDS HUSH | Mare | BAY | F36266 | 20/01/1983 | Foal Recorded | Deceased |
| MARYLANDS IM A STAR | Mare | CHESTNUT | 60659 | 01/10/1977 | Stud Book | Deceased |
| MARYLANDS IMAGE | Mare | BAY/BROWN | 65355 | 04/01/1978 | Stud Book | Not Eligible |
| MARYLANDS INDIRA | Mare | CHESTNUT | 24723 | 01/03/1973 | Stud Book | Deceased |
| MARYLANDS IVANHOE | Stallion | CHESTNUT | F40296 | 01/03/1985 | Foal Recorded | Not Eligible |
| MARYLANDS JEDDA | Mare | BLACK | F42094 | 30/10/1985 | Foal Recorded | Deceased |
| MARYLANDS JEWEL | Mare | BROWN | F40294 | 22/10/1984 | Foal Recorded | Not Eligible |
| MARYLANDS JOKER | Stallion | BROWN | F38148 | 01/05/1984 | Foal Recorded | Deceased |
| MARYLANDS JUNO | Mare | BROWN | 51097 | 01/05/1975 | Stud Book | Deceased |
| MARYLANDS JUSTANNA | Mare | BROWN | 60660 | 04/12/1977 | Stud Book | Deceased |
| MARYLANDS KIWI - HSH | Mare | BAY/BROWN | F30537 | 20/01/1981 | Foal Recorded | Deceased |
| MARYLANDS KOLA | Mare | BROWN | 51098 | 01/03/1974 | Stud Book | Deceased |
| MARYLANDS LASKA | Mare | BROWN | 51099 | 20/09/1976 | Stud Book | Deceased |
| MARYLANDS LORNA RAY | Mare | PALOMINO | F36263 | 16/09/1982 | Foal Recorded | Deceased |
| MARYLANDS LYRIC | Mare | CHESTNUT | 51100 | 28/10/1977 | Stud Book | Deceased |
| MARYLANDS MACKS ROO LOO | Mare | GREY | 60661 | 24/10/1977 | Stud Book | Not Eligible |
| MARYLANDS MARGUERITA - HSH | Mare | CHESTNUT | 151898 | 20/12/1994 | Stud Book | Not Eligible |
| MARYLANDS MARS | Gelding | CHESTNUT | F18209 | 22/08/1977 | Foal Recorded | Not Eligible |
| MARYLANDS MELLOI | Mare | CHESTNUT | 51101 | 01/06/1974 | Stud Book | Deceased |
| MARYLANDS MELODY | Mare | BROWN | F36260 | 20/01/1983 | Foal Recorded | Deceased |
| MARYLANDS MEMORY | Mare | CHESTNUT | 65358 | 16/11/1979 | Stud Book | Deceased |
| MARYLANDS MINSTRIL | Mare | BROWN/BLACK | F38149 | 01/11/1983 | Foal Recorded | Deceased |
| MARYLANDS MIRTH | Mare | BAY | 69243 | Stud Book | Deceased | |
| MARYLANDS MODE | Mare | BAY | 24716 | 01/11/1972 | Stud Book | Deceased |
| MARYLANDS MOKE | Mare | CHESTNUT | 24720 | 01/10/1972 | Stud Book | Not Eligible |
| MARYLANDS MUSIC | Mare | BROWN | F40293 | 01/11/1984 | Foal Recorded | Deceased |
| MARYLANDS NATASHA | Mare | CHESTNUT | 24718 | 04/09/1972 | Stud Book | Deceased |
| MARYLANDS NAVAJO | Stallion | CHESTNUT | F8964 | 01/11/1976 | Foal Recorded | Not Eligible |
| MARYLANDS NIMBLE | Mare | CHESTNUT | 24722 | 01/03/1973 | Stud Book | Deceased |
| MARYLANDS PEPSI | Mare | BROWN | F42093 | 04/11/1985 | Foal Recorded | Deceased |
| MARYLANDS QUANTAS | Mare | CHESTNUT | F8966 | 14/10/1976 | Foal Recorded | Not Eligible |
| MARYLANDS QUEST | Mare | BLACK | 60663 | 15/02/1977 | Stud Book | Deceased |
| MARYLANDS REPLICA | Mare | BAY | 24711 | Stud Book | Deceased |