[1] He graduated in 1899 from the Roman Catholic Christian Brothers College, and in 1902 from the Tulane University Law School in New Orleans, at which he was president of his class and was selected as the salutatorian.
[2] In 1920, he was also a leading member of the successful campaign to elect John M. Parker as governor of Louisiana.
[2][1] In 1937, Moise was elected to Division C of the Civil District Court of Louisiana in New Orleans.
[3] Governor Huey Long had intended to call a special election to fill the vacancy created on that court by the death of Nathaniel W. Bond, but after all three of the Democratic organizations of that district endorsed Moise, Long called off the election and appointed Moise directly.
In 1952, Moise ran unopposed for election to a full 14-year term on the court,[1] serving thereafter until his death, in New Orleans.