Captain John James McGinty III (January 21, 1940 – January 17, 2014) was a United States Marine Corps officer who received the United States militaries' highest decoration — the Medal of Honor — for heroism during July 1966 in the Vietnam War.
John McGinty was born on January 21, 1940 in Boston, Massachusetts. He completed grammar school in Louisville, Kentucky in 1955, and attended high school in Louisville for a year and a half prior to enlisting in the United States Marine Corps Reserve on February 19, 1957.
Upon Discharging from the Marine Corps Reserve, he enlisted in the Marine Corps as active duty on March 3, 1958.
He completed recruit training with the 3rd Recruit Training Battalion, Marine Corps Recruit Depot Parris Island, South Carolina. He then went to advanced infantry combat training with Company M, 3rd Battalion, 1st Infantry Training Regiment, Camp Lejeune, North Carolina. He was promoted to private first class in September 1957, and was transferred to the 7th Infantry Company, USMCR, Louisville, Kentucky, to serve as a rifleman until March 1958.