James Douglas Morrison was born on December 8, 1943, in Melbourne, Florida, to future Rear Admiral George Stephen Morrison and Clara Morrison. Morrison had a sister, Anne Robin, who was born in 1947 in Albuquerque, New Mexico; and a brother, Andrew Lee Morrison, who was born in 1948 in Los Altos, California. He was of Irish and Scottish descent.

With his father in the United States Navy, Morrison's family moved often. He spent part of his childhood in San Diego. While his father was stationed at NAS Kingsville, he attended Flato Elementary in Kingsville, Texas.

Jim Morrison's Family Tree