Mitchell Mckinnon
Born: 1955 after september first
Died: Jan-April 1980 (aged 25)
Hogwarts: 1967-1974
House: Ravenclaw
Was in the order but died before the rest of his family.
Got a girlfriend at 17(1973) and spent most of his holidays at hers.
People used to think he and Mattew were twins.