US COAST GUARD
Stephen J Costello
December 20, 1934—January 9, 2019
MM3
Life Timeline
84 years1934
Born
December 20, 1934
US COAST GUARD
Service Record
Korean War
Korean War
Conflict
MM3
2019
Passed Away
January 9, 2019
Service Record
Verified fields from cemetery source data.
Branch
US COAST GUARD
Rank
MM3
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more