| Europa League 1964/1965 - Appearances as Referee |  |
 |
 |
||||
| 09/12/1964 | Royal Antwerp FC | - | Athletic Club | 0:1 | - | - | - |
| Europa League 1964/1965 - Appearances as Referee | |
|
|
||||
| 09/12/1964 | Royal Antwerp FC | - | Athletic Club | 0:1 | - | - | - |
| Complete name: | William A. O'Neill |
| Born: | 04/07/1929 |
| Place of birth: |
Ireland |
| Residence: | Dublin |
| Nationality: |
Ireland |