US NAVY
Brian J O'Neill
April 18, 1956—February 1, 2016
SM3
Life Timeline
59 years1956
Born
April 18, 1956
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
SM3
2016
Passed Away
February 1, 2016
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
SM3
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more