After retiring from the military, he organized the Civilian Conservation Corps in North Carolina and later served as superintendent of Cook County Hospital in Chicago.

[1] They had two children: Monro MacCloskey, who attained the rank of brigadier general in the United States Air Force, and Sara, who was known as Sally.

[1] Awards he received during his career include the Army Distinguished Service Medal, the citation for which reads: The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting the Army Distinguished Service Medal to Colonel (Field Artillery) Manus MacCloskey, United States Army, for exceptionally meritorious and distinguished services to the Government of the United States, in a duty of great responsibility during World War I.

While in Command of the 12th Field Artillery during all its operations with the 2d Division, until 16 August 1918, Colonel MacCloskey displayed marked ability and efficiency.

He especially distinguished himself during the operations of the 2d Division at the Bois-de-Belleau and Bouresches, when he commanded in addition to his own regiment, the 37th Field Artillery, French Army.

His Silver Star citation reads: By direction of the President, under the provisions of the act of Congress approved July 9, 1918 (Bul.