I am researching this family as well and found Overton Columbus Harris here.... ****Note a photo of the headstone is located at this site Texas State Cemetery 909 Navasota Street Austin, Texas 78702 (512) 463-0605
Full Name: O. C. Harris Location: Section:Confederate Field, Section 2 (D) Row: RNumber:42 Reason for Eligibility: Confederate Veteran Birth Date: 1834 Died: May 16, 1899 Buried: Confederate Home Roster Information: Birth Place: Alabama Occupation: Farmer Marital Status: Widower Residence: Floyd, Texas Admitted To Home: June 4, 1898 Regiment: 18th Alabama Company: E
Headstone Text O. C. Harris Died May 16, 1899 Aged 65 yrs. Co. C. 18. Ala.