Billy McCullough, a Northern Irish defender, had spells at Arsenal, Portadown and Millwall. He was an international for Northern Ireland before his death in 2026.
| Surname | McCullough |
| Name | Billy |
| Nationality | Northern Ireland |
| Birthplace | Carrickfergus, Northern Ireland |
| Birth Date | 27 July 1935 |
| Death Date | 13 March 2026 (90 years old) |
| Position | Defender |
| Height | 1.80 m |
| AKA | William James McCullough |
Derry City
Cork Celtic
Bedford Town
Millwall
Arsenal
Portadown
Northern Ireland National Team