US MARINE CORPS
Michael G O'Brien Jr
July 4, 1976—December 17, 1998
PVT
Life Timeline
22 years1976
Born
July 4, 1976
US MARINE CORPS
Service Record
PVT
1998
Passed Away
December 17, 1998
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
PVT
Sourced from official cemetery data; last updated May 30, 2026.Learn more