F. C. Hagan was enlisted as Private on April 17th, 1863 in Captain Cawthon’s, Company H (Union Rebels), 6th Regiment Florida Infantry by by S. A. Cawthon at Charleston, Tennessee, for a period of 3 years. (Company Muster Roll for April 17th to April 30th, 1863). This roll also documents him being due both bounty and pay from his enlistment.
He is reported present on the Company Muster Roll for April 30th through July 9th, 1863.
He is reported killed on the Company Muster Roll for July 9th through October 31st, 1863. This roll his death at the Battle of Chickamauga, Georgia, on September 19th, 1863