Commander John Kenneth Leveson "Jack" Ross, CBE was a Canadian businessman, sportsman, thoroughbred racehorse owner/breeder, and philanthropist. He is best remembered for winning the first United States Triple Crown of Thoroughbred Racing in 1919 with his Hall of Fame colt, Sir Barton. In 1911, he set the world record for catching the largest tuna by rod and line at St. Anns, Nova Scotia. After his father, he was the second Canadian to be made a member of the Royal Yacht Squadron.
- Occupation
- military personnel
- Citizenship
- Canada
- Born
- 1876
- Died
- 1951
