Mary Josephine (Jo) Davies , maiden name McCann), D.O.B. 1961 – ?? Started as a LEO II Programmer at Wills, married Keith Davies a member of the Wills programming team, but left Wills to become a LEO lll Programmer and later LEO marketing. Became partner of Colin Tully until his death. Peter Byford remembers her on his own LEO III programming own LEO lll programming course in 1961.