A bay mare, Imperatrice was bred in New Jersey by William H. LaBoyteaux, president of Johnson & Higgins.
Imperatrice was purchased for $30,000 by Christopher Chenery's and spent the remainder of her life at his Meadow Stud in Virginia.
[1][2] Trained for LaBoyteaux by George M. Odom, she raced 31 times with 11 wins, 7 shows, and 2 places.
[2] Imperatrice lived to the age of 34 before being euthanized due to age-related urinal and digestive complications.
She was the dam of winners Imperial Hill (Hill Prince), Scattered (Whirlaway), Speedwell (Bold Ruler), Squared Away2 (Piping Rock) and was the third dam of successful New York sire Cure the Blues (through daughter Speedwell).