Marist College Ashgrove has had 35 ordained priests and 20 ordained brothers. Notable amongst these are:
Many Old Boys have given distinguished service as State Members, Mayors of Regional Councils, and in official Parliamentary roles:
Many Old Boys have been awarded Open Scholarships (awarded in State public examination results for top 25 seniors up to 1973), and then followed Australian Student Prizes to those placed with top OP1 results in the State. Many have proceeded to UQ and received the prestigious University of Queensland medals at Graduation.
NB # Signifies currently Registrar or in training for specialty.
Marist College Ashgrove has produced a number of Old Boys who have represented the Wallabies (24), Queensland (60) and nearly 30 Australian Schoolboy Rugby Representatives.
Three Old Boys, Chilla Wilson (1943), Des Connor (1953) and John Eales (1987) captained both the Wallabies and Queensland. Barry Honan (1964), Des Ridley (1955) and Daniel Herbert (1990) captained Queensland. Des Connor also represented the All Blacks in 12 tests and coached the Wallabies in 1968-1969. John Connolly was Wallaby coach in 2006-2007.
Fergus Wilson (1943) in the 1950s, John Connolly (1969) in the 1990s and Richard Graham (2014-2016) would all coach Queensland. Richard Graham was previously Captain-Coach of the Australian 7s team after successfully winning a Bronze medal as a player in the 1998 Commonwealth Games Rugby 7s for Australia in Kuala Lumpur.