US MARINE CORPS
Michael Jeffrey O'Neil
October 19, 1986—February 15, 2011
LCPL
Life Timeline
24 years1986
Born
October 19, 1986
US MARINE CORPS
Service Record
Iraq
Iraq
Conflict
LCPL
2011
Passed Away
February 15, 2011
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
LCPL
War / Conflict
Iraq
Sourced from official cemetery data; last updated May 30, 2026.Learn more