US COAST GUARD
John Thomas Costello Jr
January 9, 1957—March 2, 2021
CDR
Life Timeline
64 years1957
Born
January 9, 1957
US COAST GUARD
Service Record
CDR
2021
Passed Away
March 2, 2021
Service Record
Verified fields from cemetery source data.
Branch
US COAST GUARD
Rank
CDR
Sourced from official cemetery data; last updated May 30, 2026.Learn more