| EURO Qualifiers 1970/1971 - Appearances as Referee |  |
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| 07/10/1970 | CSSR | - | Finland | 1:1 | 3 | - | - |
| EURO Qualifiers 1970/1971 - Appearances as Referee | |
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| 07/10/1970 | CSSR | - | Finland | 1:1 | 3 | - | - |
| Complete name: | William A. O'Neill |
| Born: | 04/07/1929 |
| Place of birth: |
Ireland |
| Residence: | Dublin |
| Nationality: |
Ireland |