U.S. Army
Robert Callahan
January 27, 1887—August 3, 1953
SGT. MAJ
Life Timeline
66 years1887
Born
January 27, 1887
US ARMY
Service Record
World War I
World War I
Conflict
SGT. MAJ
1953
Passed Away
August 3, 1953
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SGT. MAJ
War / Conflict
World War I
Sourced from official cemetery data; last updated May 30, 2026.Learn more