Past pupils often ask after teachers who have left the school. The following is a list of some teachers from times past.
Marist Brothers Bro. Augustine Kevin Magee, Drogheda Bro. Conran Died 1966, R.I.P. Bro. Colman Retired, Moyle Park College Bro. Declan Retired, Secretariat, Catholic Secondary Schools Bro. Dominic Seamus Roddy, Dungarvan C.B.S. Bro. Eamon Died South Africa 1987, R.I.P. Bro. Frank Frank Smith, Self Employed ,Portarlington Bro. Gerard Retired principal , Marist College, Athlone Bro. Hilary Retired, Marian College Bro. John Hughes Died 1996, R.I.P. Bro. John Hyland Principal, Marist College, Athlone Bro. Kevin Des Rogers, Coolmine Comm.Sch Bro. Padraic Padraic Naughton, Managing Director, Pioneer Association Bro. Peter Hegarty Retired, Chanel College Bro. Tommy Tommy Flynn, Retired Principal - Hartstown Bro. Urban Gerry Mahoney, Monasterevin Bro. Vivian Vivian Cassells, Career Consultant
Other Staff Bernie Bergin C. B. S. Westport Teague Breslin Stranolar Co. Donegal Mary Briody St Patrick's College, Cavan Tommy Broughan Labour Party T.D. Dublin North West Mary Buggle Old Bawn Community School Fiona Burke Marist College Athlone John Byrne Retired, Aughrim, Co. Wicklow John Corbett Died 2001, R.I.P. Moyle Park College Tom Corr Died 1993, R.I.P. Moyle Park College Maire Cunniffe Retired, Moyle Park College Sean Cunniffe Retired, Moyle Park College Genevieve Doherty Tuam Gerry Doherty Retired, St Gerard's School Bray Phil Doherty Retired, Bray, Co. Wicklow Conall Donegan Cabinteeley Community School June Duggan Dublin Gerry Fee Department of Education Inspectorate Brian Ganly Fr. Brian Ganly Parish Priest, Cyril Gillen Drogheda Liam Glynn Galway Conor Harrison Department of Education Jack Hayes Retired, C.B.S. Crumlin Helena Heduan Mullingar Sr. Margaret Henry Portadown Katrina Horisk Donegal John Keane Died, 2002 R.I.P. Pat Kelly Retired, Dublin. Patricia Leahy Limerick Maire Ledwith Let's Go Singing Studio Frank Lewis Business Dublin Mick Loftus Marist College, Athlone Noel Maher Retired Principal Monasterevin Eddie Martin Retired, Co. Wicklow Michael Meany St. Mark's Community School Tadgh McMahon Colaiste Eanna Ballyroan - retired Frank McNulty Business, Maynooth Sean Mitchell Died 2005, R.I.P. Moyle Park College Declan Mowlds Principal, Chanel College, Dublin Caroline Murphy Kinvara, Co. Galway Brona Murray Old Bawn Community School Aine Ni Chonghaile Dept of Translation, Leinster House Anne Marie O'Boyle Business Cliona O'Connor Limerick Colm O'Connor Cabinteeley Community School Ted O'Donovan Retired, County Dublin Prionsíus Ó'Háilin Retired, Principal Coláiste Chillian Peader O' Fearghaile Retired, County Meath Carmel O'Grady Dalkey Eamon O'Loinsigh Galway Frank O'Shaughnessy Retired, Straffan Niall O'Toole Principal, Clonkeen C.B.S. Mary Ormond Tipperary Brian Rankin Principal, Midlands Walter Rockett Templeogue College Retired Johnny Roebuck Snr Died 1985, R.I.P. Liam Ryder Principal, Cabinteeley Community School Kevin Sherwin Retired, Leixlip Community School John Shortt Retired, Dublin Pat Slattery Town Planner, Tipperary Cathy Sweeney Study4Success, Bray Jim Tully Retired, Dublin Eamon Walls Retired, Dublin Johnny Walsh Acting Principal, Rathcoole Community School Eamon Woulfe Retired, Clondalkin Liam Wrynne Rockbrook College, Retired