US NAVY
John Author McMahon
October 2, 1906—May 3, 1961
BMC
Life Timeline
54 years1906
Born
October 2, 1906
US NAVY
Service Record
Korean War
Korean War
Conflict
BMC
1961
Passed Away
May 3, 1961
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
BMC
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more