US MARINE CORPS
Michael Dean Brennan
October 7, 1946—October 1, 2018
CAPT
Life Timeline
71 years1946
Born
October 7, 1946
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
CAPT
2018
Passed Away
October 1, 2018
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
CAPT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more