According to the records I have, T.R. Harden died January 23, 1863 at Vicksburg. Settlement filed by Lt. J. M. Collins April 16, 1863. Buried in the Cedar Hill (City) Cemetery, Vicksburg, Mississippi in grave #678.

Name: T . R . Harden
Marital Status: Single
Occupation: Blacksmith
Birth Place: USA, Alabama
Enlistment Date: 24 Feb 1862
Enlistment Place: Alabama, USA
Death Date: Jul 1863
Death Place: Mississippi, USA
Military Branch: Infantry
Regiment or Unit: 46th Alabama Regiment
Company Unit: A
Enlistment Info: Alabama, Coosa County, Rockford
Military Engagement Info: Present: Tagewell, Tennessee 1862/08/04
Death Info: Mississippi, Vicksburg
Remarks: Age 22, residence Buyceville, Alabama. Rank: 1st Sergeant
Author: Record roll compiled by George E. Brewer 1865/09/07

1850; Census Place: Coosa, Coosa, Alabama
Name: Randolph Harden
Age: 12
Birth Year: abt 1838 Birthplace:North Carolina
Home in 1850: Coosa, Coosa, Alabama, USA
Gender: Male

1860; Census Place: Southern Division, Coosa, Alabama
Name: Theophilus Harden
Age: 23
Birth Year: abt 1837
Gender: Male
Race: White
Birth Place: North Carolina
Home in 1860: Southern Division, Coosa, Alabama
Post Office: Buyckville

U.S., Civil War Soldier Records and Profiles, 1861-1865
Name: Theophilus R Hardin
Rank at enlistment: Sergeant
State Served: Alabama
Service Record: Enlisted in Company A, Alabama 46th Infantry Regiment.
Sources: Index to Compiled Confederate Military Service Records

U.S. Civil War Soldiers, 1861-1865
Name: Theophilus R. Hardin
Side: Confederate
Regiment State/Origin: Alabama
Regiment Name: 46 Alabama Infantry
Regiment Name Expanded: 46th Regiment, Alabama Infantry
Company: A
Rank In: First Sergeant
Rank In Expanded: First Sergeant
Rank Out: First Sergeant
Rank Out Expanded: First Sergeant
Film Number: M374 roll 18