In 1919 the General Convention elected Morris as Missionary Bishop of Panama.

He was consecrated in Grace Church in Memphis by Presiding Bishop Daniel S. Tuttle on February 5, 1920.

On May 14, 1930, during the special diocesan council meeting, Morris was elected to be the 5th Bishop of Louisiana.

[1] Morris was instrumental in the revision of the Hymnal by the national commission, of which he was a member.

He was a great musician and was involved in choir conducting and playing the organ, even during services in which he presided.