| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 03-Sep-2011 | Tiernan O'Halloran | Ireland | 26-Feb-1991 | 20(189) |
| 01-Jan-2012 | Michael Kearney | Ireland | 29-Mar-1991 | 20(278) |
| 03-Sep-2011 | Eoin Griffin | Ireland | 18-Sep-1990 | 20(350) |
| 03-Sep-2011 | Matthew Jarvis | Wales | 25-Aug-1990 | 21(9) |
| 02-Mar-2012 | David Hefferman | Ireland | 31-Jan-1991 | 21(31) |
| 24-Feb-2012 | Dennis Buckley | Ireland | 09-Aug-1990 | 21(199) |
| 05-Nov-2011 | David McSharry | Ireland | 10-Feb-1990 | 21(268) |
| 03-Sep-2011 | Rodney Ah You | Ireland | 27-Oct-1988 | 22(311) |
| 03-Sep-2011 | Mark McCrea | Ireland | 07-Sep-1987 | 23(361) |
| 05-Nov-2011 | Eoghan Grace | Ireland | 06-Oct-1987 | 24(30) |
| 02-Dec-2011 | Kyle Tonetti | Ireland | 08-Oct-1987 | 24(55) |
| 05-Nov-2011 | Paul O'Donohoe | Ireland | 27-Aug-1987 | 24(70) |
| 23-Sep-2011 | Niall O'Connor | Ireland | 07-Jul-1987 | 24(78) |
| 30-Sep-2011 | Thomas Anderson | Ireland | 03-Mar-1987 | 24(211) |
| 05-Nov-2011 | Miah Nikora | New Zealand | 28-Apr-1985 | 26(191) |
| 29-Oct-2011 | Fetu'u Vainikolo | Tonga | 30-Jan-1985 | 26(272) |
| 02-Mar-2012 | Peter Borlase | New Zealand | 22-May-1985 | 26(285) |
| 03-Sep-2011 | Ronan Loughney | Ireland | 01-Nov-1984 | 26(306) |
| 23-Sep-2011 | Brett Wilkinson | South Africa | 29-Nov-1983 | 27(298) |
| 03-Sep-2011 | George Naoupu | New Zealand | 04-Sep-1983 | 27(364) |
| 23-Sep-2011 | Dave Gannon | Ireland | 11-Feb-1983 | 28(224) |
| 03-Sep-2011 | John Muldoon | Ireland | 30-Nov-1982 | 28(277) |
| 23-Sep-2011 | Brian Tuohy | Ireland | 19-Sep-1982 | 29(4) |
| 16-Sep-2011 | Ethienne Reynecke | South Africa | 20-Mar-1982 | 29(180) |
| 03-Sep-2011 | Frank Murphy | Ireland | 02-Dec-1981 | 29(275) |
| 03-Sep-2011 | Mike McCarthy | Ireland | 27-Nov-1981 | 29(280) |
| 03-Sep-2011 | Gavin Duffy | Ireland | 18-Sep-1981 | 29(350) |
| 03-Sep-2011 | Henry Fa'afili | Samoa | 30-May-1980 | 31(96) |
| 03-Sep-2011 | Ray Ofisa | Samoa | 22-Mar-1980 | 31(165) |
| 16-Sep-2011 | Johnny O'Connor | Ireland | 09-Feb-1980 | 31(220) |
| 03-Sep-2011 | Adrian Flavin | Ireland | 06-Jun-1979 | 32(89) |
| 03-Sep-2011 | Michael Swift | Ireland | 18-Oct-1977 | 33(320) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).