 He died in Pittsburgh, Pennsylvania, on July 15, 1930 of complications from Baker's Cyst, just three days after the death of his elder brother, Thomas McDonald, in Youngstown.Funeral services were held at the Orr Funeral Home, and McDonald's remains were interred at Oak Hill Cemetery, in Youngstown.In a eulogy prepared by Dr. W. E. Hammaker, pastor of Youngstown's Trinity Methodist Episcopal Church, McDonald was described as a "great industrialist, a civic reformer, and a true philosopher".