US NAVY
John Daniel Brennan
August 10, 1919—May 21, 2006
EM1
Life Timeline
86 years1919
Born
August 10, 1919
US NAVY
Service Record
World War II
World War II
Conflict
EM1
2006
Passed Away
May 21, 2006
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
EM1
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more