May Day (US)
| Year of Birth | 1877 |
| Sex | mare |
| Colour | ? |
| Sire | Wissahickon (US) |
| Dam | |
| Damsire | |
| Breeder | |
| Birthplace |
Pedigree
| May Day | Wissahickon (US) | William Welch (US) | Hambletonian (Rysdyk's) (US) |
Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1885 | Lord Byron (US) | bay | horse | General Benton (US) - May Day (US) | Leland Stanford |