U.S. Army
Gregorio Rivera Zayas
May 19, 1888—November 19, 1996
PVT
Life Timeline
108 years1888
Born
May 19, 1888
US ARMY
Service Record
World War I
World War I
Conflict
PVT
1996
Passed Away
November 19, 1996
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
PVT
War / Conflict
World War I
Sourced from official cemetery data; last updated May 30, 2026.Learn more