Mustered into service as a Private on December 28, 1861
Born 09 October 1839
Died 24 July 1922
Buried Union Cemetery, Randolph County Indiana
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Private Hackman transferred to Company E of the 20th Indiana Infantry in the fall of 1864 and would serve there until his muster out as a Corporal on July 12th, 1865.
He filed for a pension in November of 1879.
Samuel Hackman is buried in a unmarked grave.