Happy McElwyn (S)
| Year of Birth | 1939 |
| Sex | horse |
| Colour | ? |
| Sire | |
| Dam | Ima McElwyn (US) |
| Damsire | Mr McElwyn (US) |
| Breeder | |
| Birthplace |
Pedigree
| Happy McElwyn | |||
| Ima McElwyn (US) | Mr McElwyn (US) | Guy Axworthy (US) | |
| Widow Maggie (US) | |||
| Trampoft (US) | Trampfast (US) | ||
| Voyager Queen (US) |
Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1947 | Helene (S) | mare | Happy McElwyn (S) - Heddi (S) |