US NAVY
John Marven McGann
August 14, 1924—September 17, 1996
CPO
Life Timeline
72 years1924
Born
August 14, 1924
US NAVY
Service Record
World War II
World War II
Conflict
CPO
1996
Passed Away
September 17, 1996
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
CPO
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more