The following list or Presidents of the Past Pupils Union has been compiled.

1959-60 William F. Treacy
1961-62 George E. Russell
1963-64 Tom E. O’Donnell
1965-66 Conn Shanahan
1967 Michael B. O’Malley
1968-69 Pat J. Hogan
1970-71 Pat J. Carroll
1972-73 John C. Downes
1974 Rev. Tom Stack
1975-76 Jim F. Riordan
1977-78 Dr. Dermot Molony
1979-81 Eric Neville
1982 – 2005 No Union in operation
2006-10 PPU informally reformed
2011-12 Brien Morris
2013-14 Don Reddan
2015-16 Gerry MacNamara
2017 Harry McNamara