Career
McIlveen was elected in the Personal Computer sweep, taking the seat for the working-class riding of Oshawa previously held by Cliff Pilkey and considered an NDP stronghold. In addition to serving as a member, or Chair, of several Standing and Select Committees of the Legislature, McIlveen served as the Parliamentary Assistant to the Minister of Transportation and Communication during the short-lived government of Frank Miller in 1975. In the 1975 Ontario election, New Democrat Michael Breaugh easily reclaimed the seat.
A physician by profession, McIlveen died May 4, 2007 at the age of 87.