Head to Head
| Premiership Rugby | 2014/09/06 15:30 | London Irish v Harlequins | W | 15-20 |
Home History
| Premiership Rugby | 2015/02/27 19:45 | Northampton v Harlequins | L | 17-13 |
| Premiership Rugby | 2015/02/21 15:00 | Harlequins v Exeter Chiefs | L | 21-32 |
| Premiership Rugby | 2015/02/15 14:00 | Wasps v Harlequins | L | 37-6 |
| LV Cup | 2015/02/07 15:00 | Gloucester v Harlequins | L | 25-7 |
| LV Cup | 2015/01/31 14:40 | Harlequins v Bath | L | 21-23 |
| European Rugby Champions Cup | 2015/01/24 13:00 | Castres v Harlequins | W | 19-47 |
| European Rugby Champions Cup | 2015/01/17 19:45 | Harlequins v Wasps | L | 3-23 |
| Premiership Rugby | 2015/01/10 15:15 | Harlequins v Leicester | W | 32-12 |
Away History
| Premiership Rugby | 2015/02/28 14:30 | London Welsh v London Irish | W | 12-50 |
| Premiership Rugby | 2015/02/22 14:00 | London Irish v Leicester | L | 6-12 |
| Premiership Rugby | 2015/02/13 19:45 | Northampton v London Irish | L | 15-9 |
| LV Cup | 2015/02/07 15:00 | London Irish v Newcastle Falcons | L | 13-31 |
| LV Cup | 2015/01/31 18:30 | Scarlets v London Irish | L | 27-18 |
| European Rugby Challenge Cup | 2015/01/24 14:00 | Rugby Rovigo v London Irish | W | 6-34 |
| European Rugby Challenge Cup | 2015/01/17 15:00 | London Irish v Grenoble | W | 43-41 |
| Premiership Rugby | 2015/01/11 15:00 | London Irish v Exeter Chiefs | W | 28-26 |