| Under 18 Section B |
| 12/07/2012 |
| 19:00 | Ballyheane | 6 | vs | 2 | Claremorris | More |
| Venue : Ballyheane |
| 19:00 | Conn Rangers | 2 | vs | 1 | Ballina Town | More |
| Venue : Conn |
| 19/07/2012 |
| 19:00 | Conn Rangers | 2 | vs | 0 | Westport Utd | More |
| Venue : Conn |
| 26/07/2012 |
| 19:00 | Conn Rangers | 1 | vs | 0 | Castlebar Celtic B | More |
| Venue : Conn |
| 19:00 | Straide and Foxford | 0 | vs | 4 | Ballina Town | More |
| Venue : Green Road Foxford |
| 19:00 | Westport Utd | 2 | vs | 1 | Ballyheane | More |
| Venue : Westport |
| 02/08/2012 |
| 19:00 | Ballyheane | 1 | vs | 3 | Castlebar Celtic B | More |
| Venue : Ballyheane |
| 19:00 | Claremorris | 2 | vs | 5 | Ballina Town | More |
| Venue : Claremorris |
| 19:00 | Straide and Foxford | 1 | vs | 4 | Westport Utd | More |
| Venue : Green Road Foxford |
| 09/08/2012 |
| 19:00 | Ballyheane | 0 | vs | 1 | Conn Rangers | More |
| Venue : Ballyheane |
| 19:00 | Westport Utd | 4 | vs | 0 | Claremorris | More |
| Venue : Westport |
| 19:30 | Castlebar Celtic B | 3 | vs | 0 | Straide and Foxford | More |
| Venue : Castlebar |
| 16/08/2012 |
| 19:00 | Claremorris | 3 | vs | 2 | Castlebar Celtic B | More |
| Venue : Claremorris |
| 19:00 | Conn Rangers | 4 | vs | 0 | Straide and Foxford | More |
| Venue : Conn |
| 19:30 | Ballina Town | 2 | vs | 2 | Westport Utd | More |
| Venue : Ballina |
| 23/08/2012 |
| 19:00 | Claremorris | 2 | vs | 11 | Conn Rangers | More |
| Venue : Claremorris |
| 19:00 | Straide and Foxford | 0 | vs | 3 | Ballyheane | More |
| Venue : Green Road Foxford |
| 30/08/2012 |
| 19:00 | Ballina Town | 2 | vs | 5 | Conn Rangers | More |
| Venue : Ballina |
| 19:00 | Castlebar Celtic B | 2 | vs | 5 | Westport Utd | More |
| Venue : Castlebar |
| 19:00 | Claremorris | 6 | vs | 3 | Ballyheane | More |
| Venue : Claremorris |
| 06/09/2012 |
| 19:00 | Ballyheane | 0 | vs | 2 | Ballina Town | More |
| Venue : Ballyheane |
| 19:00 | Westport Utd | 2 | vs | 2 | Conn Rangers | More |
| Venue : Westport |
| 08/09/2012 |
| 14:00 | Ballina Town | 3 | vs | 0 | Ballyheane | More |
| Venue : Ballina |
| 14:00 | Claremorris | 3 | vs | 0 | Straide and Foxford | More |
| Venue : Claremorris |
| 14:00 | Westport Utd | 2 | vs | 1 | Castlebar Celtic B | More |
| Venue : Westport |
| 13/09/2012 |
| 18:30 | Ballina Town | 9 | vs | 1 | Straide and Foxford | More |
| Venue : Ballina |
| 18:30 | Castlebar Celtic B | 2 | vs | 1 | Conn Rangers | More |
| Venue : Castlebar |
| 22/09/2012 |
| 12:00 | Castlebar Celtic B | 1 | vs | 5 | Ballyheane | More |
| Venue : Castlebar |
| 14:00 | Westport Utd | 1 | vs | 0 | Straide and Foxford | More |
| Venue : Westport |
| 29/09/2012 |
| 12:00 | Claremorris | 1 | vs | 2 | Westport Utd | More |
| Venue : Claremorris |
| 14:00 | Conn Rangers | 3 | vs | 0 | Ballyheane | More |
| Venue : Conn |
| 14:00 | Straide and Foxford | 2 | vs | 3 | Castlebar Celtic B | More |
| Venue : Green Road Foxford |
| 06/10/2012 |
| 14:00 | Castlebar Celtic B | 4 | vs | 3 | Claremorris | More |
| Venue : Castlebar |
| 14:00 | Straide and Foxford | 0 | vs | 3 | Conn Rangers | More |
| Venue : Green Road Foxford |
| 13/10/2012 |
| 00:00 | Ballina Town | 3 | vs | 0 | Castlebar Celtic B | More |
| Venue : Ballina |
| 20/10/2012 |
| 14:00 | Ballyheane | 1 | vs | 1 | Straide and Foxford | More |
| Venue : Ballyheane |
| 27/10/2012 |
| 14:00 | Ballyheane | 0 | vs | 3 | Westport Utd | More |
| Venue : Ballyheane |
| 14:00 | Conn Rangers | 0 | vs | 1 | Claremorris | More |
| Venue : Conn |
| 11/11/2012 |
| 14:00 | Westport Utd | 0 | vs | 1 | Ballina Town | More |
| Venue : Westport |
| 14:00 | Westport Utd | 0 | vs | 1 | Ballina Town | More |
| Venue : Westport |
| 08/12/2012 |
| 12:00 | Castlebar Celtic B | 0 | vs | 3 | Ballina Town | More |
| Venue : Castlebar |
| 12/01/2013 |
| 14:00 | Ballina Town | 4 | vs | 1 | Claremorris | More |
| Venue : Ballina |
| 26/01/2013 |
| 14:00 | Ballina Town | 3 | vs | 0 | Castlebar Celtic B | More |
| Venue : Ballina |
