United States of America
JO
U.S. Army · United States 
John O'Callaghan
1838
John O'Callaghan served the U.S. Army.
Service Record
U.S. Army
Medal of Honor
13 August 1868 · Arizona, August to October 1868. · Sergeant, Company B, 8th U.S. Cavalry.
Bravery in scouts and actions against Indians.
Awards & Decorations
1
For valor
Medal of Honor - Army
Bravery in scouts and actions against Indians.
In Our Keeping
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Record added
September 19, 2026
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September 20, 2026
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John O'Callaghan
U.S. Army
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