Others of prominence include Titania's Palace, which is on display in Denmark, and Tara's Palace, which is on display in Ireland at the Tara's Palace Museum of Childhood in Powerscourt.
He won the Grade I Sword Dancer Invitational Handicap and in the biggest win of his career, won the 2004 Breeders' Cup Turf over a field that included the heavy betting favorite Kitten's Joy and third-place finisher Powerscourt.
He was born at Powerscourt, County Wicklow, the son of Lieutenant-colonel Henry Monck Mason of Kildare Street, Dublin, by his second wife, Jane, only daughter of Bartholomew Mosse, M.D. After attending schools at Portarlington and Dublin he entered Trinity College, Dublin in 1793, was elected scholar in 1796, and on graduating B.A. in 1798 was awarded the gold medal.
Ormsby was born at Powerscourt, County Wicklow, the fourth son of the Reverend Henry Ormsby and his wife Margaret Sandys.
Powerscourt is descended from Irish aristocracy, his ancestral home is Powerscourt House in County Wicklow, Ireland.
Powerscourt, Muniments of the Ancient Saxon Family of Wingfield, 1894.