US NAVY
John J Brennan
January 2, 1933—April 27, 1997
YN3
Life Timeline
64 years1933
Born
January 2, 1933
US NAVY
Service Record
YN3
1997
Passed Away
April 27, 1997
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
YN3
Sourced from official cemetery data; last updated May 30, 2026.Learn more