| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sweet Marjoram | br. | f | 1903 | Rose Marjorie | Thoroughbred | USA | ||
| Sweet Marjorie | chestnut | f | 1896 | Kendal | St. Marguerite | Thoroughbred | Great Britain | |
| Sweet Mary | chestnut | f | 1919 | Tortoise | Thoroughbred | USA | ||
| Sweet Meet | bay | f | 2023 | 643090000618150 | 1702-7 Meandre | 5332-7 Stilnaya | Thoroughbred | Voskhod Stud |
| Sweet Mimosa | bay | f | 1967 | Le Levanstell | Feemoss | Thoroughbred | Ireland | |
| Sweet Mint | br. | f | 1974 | Meadow Mint | Thoroughbred | Ireland | ||
| Sweet Mist | chestnut | f | 1967 | Candy Spots | Songlet | Thoroughbred | USA | |
| Sweet Molly | chestnut | f | 1958 | Thoroughbred | Ireland | |||
| Sweet Music | bay | f | 1990 | Inchwood | Segesta | Thoroughbred | Chile | |
| Sweet Nina | bay | f | 1884 | Thoroughbred | Great Britain |