| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1996 Summer Olympics
|
Hockey |
 IRL |
|
|
|
Ray O'Connor |
|
|
Hockey, Men
(Olympic)
|
|
Final Round |
Netherlands — Spain |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Semi-Finals |
Netherlands — Germany |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
India — Spain |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Netherlands — Malaysia |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Australia — Republic of Korea |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Netherlands — Australia |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Netherlands — South Africa |
Umpire 2 |
|
|
|
2000 Summer Olympics
|
Hockey |
IRL |
|
|
|
Ray O'Connor |
|
|
Hockey, Men
(Olympic)
|
|
Classification Round 5-8 |
Germany — Argentina |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Pakistan — Great Britain |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Malaysia — Pakistan |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Republic of Korea — India |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
Argentina — Spain |
Umpire 1 |
|
|
|
2004 Summer Olympics
|
Hockey |
IRL |
|
|
|
Ray O'Connor |
|
|
Hockey, Men
(Olympic)
|
|
Final Round |
Australia — Netherlands |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Semi-Finals |
Netherlands — Germany |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Germany — Pakistan |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Pakistan — Republic of Korea |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group A |
Pakistan — Great Britain |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
India — South Africa |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Group B |
New Zealand — India |
Umpire 1 |
|
|