Head to Head
| Scotland Premier U20 League | 2017/03/28 12:00 | St Mirren U20 v Hearts U20 | W | 2-1 |
| Scotland Premier U20 League | 2016/11/14 19:30 | Hearts U20 v St Mirren U20 | W | 1-2 |
| Scotland Premier U20 League | 2016/01/19 14:00 | St Mirren U20 v Hearts U20 | D | 1-1 |
| Scotland Premier U20 League | 2015/09/14 18:30 | Hearts U20 v St Mirren U20 | D | 1-1 |
| Scotland Premier U20 League | 2015/02/24 18:00 | St Mirren U20 v Hearts U20 | W | 2-1 |
| Scotland Premier U20 League | 2014/10/15 18:00 | Hearts U20 v St Mirren U20 | W | 0-2 |
Home History
| Scotland Premier U20 League | 2017/09/05 16:00 | Motherwell U20 v St Mirren U20 | L | 4-1 |
| Scotland Premier U20 League | 2017/08/29 17:00 | St Mirren U20 v Kilmarnock U20 | L | 1-2 |
| Scotland Premier U20 League | 2017/08/22 17:00 | Partick U20 v St Mirren U20 | D | 3-3 |
| Scotland Premier U20 League | 2017/05/01 17:00 | St Mirren U20 v Rangers U20 | L | 2-3 |
| Scotland Premier U20 League | 2017/04/28 17:00 | Partick U20 v St Mirren U20 | L | 1-0 |
| Scotland Premier U20 League | 2017/04/25 18:00 | Falkirk U20 v St Mirren U20 | L | 3-2 |
| Scotland Premier U20 League | 2017/04/10 17:00 | Motherwell U20 v St Mirren U20 | L | 4-0 |
| Scotland Premier U20 League | 2017/04/06 13:00 | Ross County U20 v St Mirren U20 | L | 1-0 |
Away History
| Scotland League Challenge Cup | 2017/09/02 14:00 | St Mirren v Hearts U20 | L | 3-1 |
| Scotland Premier U20 League | 2017/08/29 13:00 | Hibernian U20 v Hearts U20 | W | 1-4 |
| Scotland Premier U20 League | 2017/08/21 18:30 | Hearts U20 v Dundee U20 | D | 1-1 |
| Scotland League Challenge Cup | 2017/08/15 18:45 | Formartine United v Hearts U20 | W | 2-3 |
| Scotland Premier U20 League | 2017/05/01 12:30 | Hearts U20 v Hibernian U20 | W | 3-1 |
| Scotland Premier U20 League | 2017/04/25 17:00 | Aberdeen U20 v Hearts U20 | W | 1-3 |
| Scotland Premier U20 League | 2017/04/17 12:00 | Hearts U20 v Inverness CT U20 | W | 3-1 |
| Scotland Premier U20 League | 2017/04/10 17:00 | Rangers U20 v Hearts U20 | L | 2-1 |