| Championship 2019/2020 - Appearances as Referee |  |
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| 19/10/2019 | Queen Of The South | - | Dundee United | 4:0 | 4 | - | - |
| Championship 2019/2020 - Appearances as Referee | |
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| 19/10/2019 | Queen Of The South | - | Dundee United | 4:0 | 4 | - | - |
| Complete name: | Duncan Williams |
| Born: | |
| Place of birth: |
Scotland |
| Nationality: |
Scotland |