Marie Josephine "JoJo" Hartford O'Donnell Makaroff Douglas Bryce was an American heiress, thoroughbred racehorse owner and socialite from New York. She was the daughter of Edward V. Hartford, an inventor and heir to the A&P grocery store fortune.
- Occupation
- art collector, philanthropist
- Born
- August 20, 1903, August 20, 1902
- Died
- June 8, 1992