US NAVY
John Joseph O'Halloran
October 16, 1922—July 31, 2000
MM3
Life Timeline
77 years1922
Born
October 16, 1922
US NAVY
Service Record
World War II
World War II
Conflict
MM3
2000
Passed Away
July 31, 2000
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
MM3
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more