Mustered into service as a Private on July 29, 1861
Born 15 January 1840
Died 14 July 1900
Buried Friedline Cemetery, Delaware Co. Indiana
Private Knapp was wounded at the Battle of Brawner Farm on August 28th, 1862. At the Battle of Gettysburg on July 1st, 1863 he was captured for a short time returning to the regiment later that summer. He was again wounded at the Battle of Petersburg Virginia on June 18th, 1864. In the fall of 1864 he transferred to the 20th Indiana with the other surviving members of the 19th.
In June of 1865 he filed for a pension.