US NAVY
John J Oko Sr
April 16, 1919—March 10, 1997
EM2
Life Timeline
77 years1919
Born
April 16, 1919
US NAVY
Service Record
World War II
World War II
Conflict
EM2
1997
Passed Away
March 10, 1997
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
EM2
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more