[1] The sole two-time winner of the Delaware Handicap was John Sanford's very good filly Molly Brant who won in 1904 and 1905.
[2] The 1908 passage of the Hart–Agnew anti-betting legislation by the New York Legislature under Republican Governor Charles Evans Hughes led to a state-wide shutdown of racing in 1911 and 1912.
Racing Hall of Fame inductee Clarence Kummer, won the 1919 Delaware Handicap in a time of 1:36 1/5 which equaled the American record for the one-mile distance.
[6] On August 13, 1937, William Ziegler Jr.'s Esposa easily captured the thirty-fifth and final running of the Delaware Handicap.
[7] Esposa would go on to earn recognition as that year's American Champion Older Female Horse featured by her win in November's Bowie Handicap, a mile and five-eighths endurance test in which she broke the Pimlico track record while beating the mighty Seabiscuit.