US NAVY
Martin James Deneff
September 2, 1888—June 27, 1973
PTR1
Life Timeline
84 years1888
Born
September 2, 1888
US NAVY
Service Record
World War I
World War I
Conflict
PTR1
1973
Passed Away
June 27, 1973
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
PTR1
War / Conflict
World War I
Sourced from official cemetery data; last updated May 30, 2026.Learn more