| FA Cup 2005/2006 - Appearances as Referee |  |
 |
 |
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| 04/12/2005 | Worcester City | - | Huddersfield Town | 0:1 | 6 | 1 | - |
| 07/01/2006 | Crystal Palace | - | Northampton Town | 4:1 | - | - | - |
| FA Cup 2005/2006 - Appearances as Referee | |
|
|
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| 04/12/2005 | Worcester City | - | Huddersfield Town | 0:1 | 6 | 1 | - |
| 07/01/2006 | Crystal Palace | - | Northampton Town | 4:1 | - | - | - |
| Complete name: | Iain Williamson |
| Born: | 15/10/1970 |
| Place of birth: |
England |
| Nationality: |
England |