Mustered into service as a Private on July 29th, 1861
Private Baker was shot in the head at the Battle of Brawner Farm on August 28th, 1862. He was hospitalized in Alexandria Virginia until his muster out of service because of disability on March 21st, 1863.
He filed for a pension on March 28th, 1863.
His wife Mary A. Baker filed for a "widows" pension in August of 1885 while living in Indiana indicating that James had died sometime prior to that date.
Unknown exact date of death or burial location.