He attended Columbia University and qualified as an architect.
Much of his work has been destroyed. He practiced this profession in New York City. In 1912 Colt moved to New Hope, Pennsylvania so he could dedicate his time to art
That turned out not to be practical.
They moved into a house for a while. The house was given a Tudor style.
Colt was influenced by the Arts and Crafts movement, and designed and made wood and iron furniture using traditional techniques He also practiced landscape painting. In 1916 Colt, Lathrop, Rae Sloan Bredin, Charles Rosen, Daniel Garber and Robert Spencer formed The New Hope Group to arrange exhibitions of their work.
Colt added more buildings to his property in 1919 which he called the Gothic Shops, and in which he exhibited his furniture and metalwork.
Morgan Colt died in New Hope, Pennsylvania on 12 June 1926. He was aged forty nine.