| Roles | Referee |
|---|---|
| Sex | Female |
| Full name | Jean•Duncan |
| Used name | Jean•Duncan |
| NOC |  Great Britain |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Hockey | GBR |
Jean Duncan | ||||
| Hockey, Women (Olympic) | Match #1 | New Zealand — Republic of Korea | Umpire 2 | ||||
| Hockey, Women (Olympic) | Match #4 | People's Republic of China — New Zealand | Umpire 1 | ||||
| Hockey, Women (Olympic) | Match #8 | Japan — Spain | Umpire 1 | ||||
| Hockey, Women (Olympic) | Match #6 | Republic of Korea — South Africa | Umpire 1 |
