He worked at NASA as an electrician. He had a passion for music, guitars, outdoors and motorcycles.
He was preceded in death by Gloria June Ham.
Mark is survived by his two children, Brian and Jennifer Ham; along with his grandchildren, Shannon and Summer; his parents, John and Shirley Ham; his sisters, Stephanie Knippel, Marcia Lynn Jones, and Pamela Duggan; and brother, Brent Millikan.
