US NAVY
Jon R Leonowicz
December 27, 1936—June 11, 1991
AN
Life Timeline
54 years1936
Born
December 27, 1936
US NAVY
Service Record
AN
1991
Passed Away
June 11, 1991
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
AN
Sourced from official cemetery data; last updated May 30, 2026.Learn more