| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| St. George-mare | f | 1803 | Thoroughbred | Great Britain | ||||
| St. Germanie | chestnut | f | 1913 | Germicide | Thoroughbred | Great Britain | ||
| St. Germans | bay | c | 1921 | Swynford | Hamoaze | Thoroughbred | Great Britain | |
| St. Helens Shadow | bay | f | 1993 | Septieme Ciel | Little Bar Fly | Thoroughbred | USA | |
| St. Hilaire | bay | c | 1891 | St. Simon | Distant Shore | Thoroughbred | Great Britain | |
| St. Honorat | chestnut | c | 1882 | Hermit | Thoroughbred | Great Britain | ||
| St. James | bay | c | 1921 | Ambassador IV | Bobolink | Thoroughbred | USA | |
| St. Jovite | c | 1989 | Pleasant Colony | Northern Sunset | Thoroughbred | USA | ||
| St. Just | chestnut | c | 1907 | St. Frusquin | Justitia | Thoroughbred | ||
| St. Juste II | bay | c | 1907 | Thoroughbred | France |