William Walsh was born on April 7, 1922, in Roxbury, Massachusetts. He attended public schools in Boston before enlisting in the
United States Marine Corps in April 1942. He went to boot camp at the
Marine Corps Recruit Depot Parris Island, South Carolina, and advanced training at
Camp Lejeune, North Carolina. From Camp Lejeune, he went to
Samoa and was assigned to a unit of Marine scouts. His next assignment was with the 2nd Marine Raider battalion, the famed
Carlson's Raiders. During the United States' war with Japan in the Pacific, he saw action at
Guadalcanal,
Bougainville,
Tarawa, and in the
Russell Islands. Following two years of service in the Pacific theatre, he returned to the United States. He returned overseas later with the
5th Marine Division in time for the
Iwo Jima invasion. It was at Iwo Jima, while leading his men against a fortified hill on February 27, 1945, he threw himself on a
hand grenade, sacrificing his life to save the lives of fellow Marines. For this heroic act, he was posthumously awarded the Medal of Honor. Initially buried in the 5th Marine Division Cemetery on Iwo Jima, GySgt Walsh's remains were later reinterred in
Arlington National Cemetery on April 20, 1948. ==Medal of Honor citation==