U.S. Army
Isaac J Si John Sr
March 31, 1913—July 27, 2002
SGT
Life Timeline
89 years1913
Born
March 31, 1913
US ARMY
Service Record
World War II
World War II
Conflict
SGT
2002
Passed Away
July 27, 2002
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SGT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more