John W. Linn, age 38, was enlisted as Private on April 2, 1862 in Captain McLean’s Company, Company H (Union Rebels), 6th Regiment Florida Infantry by J. J. Finley at Mount Vernon Arsenal, Florida, for a period of 3 years or the war. (Company Muster Roll for April 2nd to April 21st, 1862).
He is reported present on Company Muster Roll for April 1st to July 1st, 1862. This roll documents him being transferred to brass band on May 9th, 1862 before transferred to company musician.
He is reported absent on the Company Muster Roll for June 30th through November 12th, 1862. This roll documents him as absent sick at Knoxville, Tennessee since August 13th, 1862.
He is listed on two separate (undated) Certificates of Disability for Discharge as suffering chronic rheumatism and other maladies.
He is reported discharged on the Company Muster Roll for November 12th, 1862 through February 11th, 1863. This roll documents him as discharged at Knoxville, Tennessee on November 29th, 1862 by order of General H. Heth.