United States of America
DO
U.S. Marine Corps · United States 
Dennis Alfred Oconnor
1946 – 1967
Vietnam Wall · Panel 22E
Corporal Dennis Alfred Oconnor served in the U.S. Marine Corps. Dennis served with the 3rd Marine Division. Dennis served in the Vietnam War. Dennis was 21 years old.
How They Died
Manner
Combat Death
Cause
Gunshot wound
Circumstance
Killed in action
Place
Quang Tri
Service Record
U.S. Marine Corps
0311: RIFLEMAN
RIFLEMAN
QUANG TRI
1967
Pay grade E04.
Conflicts
Awards & Decorations
4
For service and achievement
Foreign awards
Memorials
Burial Information
Cemetery
Fairhaven Memorial Park
In Our Keeping
Permanent identifier
neuraspine_01krcpg8zvnczdehdvnx08119s
Record added
August 7, 2026
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Last updated
October 12, 2026
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Shadow Box
Dennis Alfred Oconnor
Corporal
U.S. Marine Corps
- 1967
3rd Marine Division
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