| Friendlies 1969 - Appearances as Referee |  |
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| 03/05/1969 | Northern Ireland | - | England | 1:3 | - | - | - |
| Friendlies 1969 - Appearances as Referee | |
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| 03/05/1969 | Northern Ireland | - | England | 1:3 | - | - | - |
| Complete name: | William Joseph Mullan |
| Born: | 30/03/1928 † 13/11/2018 |
| Place of birth: |
Dalkeith, 
Scotland |
| Residence: | Cardenden |
| Nationality: |
Scotland |