US COAST GUARD
John Marcus Courtney
September 16, 1936—December 31, 2017
SR
Life Timeline
81 years1936
Born
September 16, 1936
US COAST GUARD
Service Record
SR
2017
Passed Away
December 31, 2017
Service Record
Verified fields from cemetery source data.
Branch
US COAST GUARD
Rank
SR
Sourced from official cemetery data; last updated May 30, 2026.Learn more