Morrison was born in
Ireland and came to the United States in 1855. Enlisting in the
30th New York Infantry at
Lansingburgh, New York, 24 April 1861, he volunteered for service on
gunboat on 15 February 1862. He was appointed
coxswain. He later received the
Medal of Honor for exceptional bravery during an engagement on 15 July 1862, with
Confederate ram in the
Yazoo River. He was an inspiring example to the crew during
Carondelet's unsuccessful attempt to halt the ironclad ram's progress through the Union blockade to the
Mississippi River. . Coxswain Morrison was discharged from the Navy on 31 March 1863. In September 1864, he enlisted at Troy, New York in the 21st New York Cavalry Regiment, mustered in as a private, and mustered out in May 1865 at Bladensburg, Maryland. ==Medal of Honor citation==