John Montgomery enlisted as a Private on Aug 1, 1862 in Barry County for 3 years by Capt J. S. Herriford. Paid as cavalry from Aug 1 to Sept 1. Paid as infantry from Sept 1 to Octo 15: $16.50. Deserted Oct 15, 1862. Another entry indicates that date of desertion was Oct 20, 1862. Nothing further in his record with the 11th Regiment.

Info taken from the Compiled Service Records of 11th Mo Infantry Regiment in the National Archives.