Moses J. Liddell (1845–1891) was born in Louisiana and appointed Justice of the Territorial Montana Supreme Court, by President Grover Cleveland, serving from 1888 to 1889.

[1][2][3] Moses J. Liddell enlisted in the Confederate Army when the Civil War began, and was made a Second Lieutenant in the 1st (Wheat's) Special Battalion, Infantry (Louisiana Tigers).

[5] His father struggled following the Civil War to retain "Llanada" in Catahoula Parish, due in part to reconstruction policies and the loss of slave labor.

[12] In 1880, Liddell retired from the legislature and moved to Monroe, Louisiana, where he joined Charles J. Boatner in a law practice.

[13] Liddell traveled to Washington in 1887 and received a commitment from President Grover Cleveland for an appointment to the State Supreme Court of the Montana Territory.