South Carolina 1st Arty Reg
Organized with 9 co's by the change of designation of the 1st Arty Batt'n 3/25/1862 - Co 'K' assigned 4/12/1862 - Co 'A' [Sumter Arty] served as Lt Arty and the balance of the Reg as Hvy Arty and Inf - Co 'A' armed with four 12-lb Napoleons on 5/3/1864 - surrendered at Durham Station, NC 4/26/1865
First Commander: Col. William R. Calhoun
BATTLES:
Secessionville - 6/16/1862
Charleston Harbor - Aug-Sept 1863
Carolinas Campaign - Feb-Apr 1865

SC 1st Arty Batt'n
Organized with 5 Co's early 1861 - mustered into Confederate Service May 1861 - Co 'F' organized Oct 1861 - Co 'G' organized Nov 1861 - Co's 'H' & 'I' organized Feb 1862 - reorganized as SC 1st Arty Reg 3/25/1862
First Commander: Lt Col Roswell S. Ripley

Boles, W.D. SC 1st Arty. Co.A
Boles, William D. SC 1st Arty. Co.D

This appears to be the same person.