| Cup Winners Cup 1970/1971 - Appearances as Referee |  |
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| 14/04/1971 | PSV Eindhoven | - | Real Madrid | 0:0 | - | - | - |
| Cup Winners Cup 1970/1971 - Appearances as Referee | |
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| 14/04/1971 | PSV Eindhoven | - | Real Madrid | 0:0 | - | - | - |
| Complete name: | William A. O'Neill |
| Born: | 04/07/1929 |
| Place of birth: |
Ireland |
| Residence: | Dublin |
| Nationality: |
Ireland |