I found four of the names on your list in Kirkland's BROKEN FORTUNES:
PVT H. W. KORNEKEE [KOENNECKE], Co. A, 8th Bn. SC Reserves, a resident of Charleston District, DOD 3/7/65, Columbia, SC, (p. 199).

PVT Gustavus POZNANSKI, Co. D, 1st Bn. SC Infantry, a resident of Charleston District, KIA 6/16/62, Secessionville, SC, buried in Beth Elohim Cemetery, Charleston, SC, (p. 282).

PVT T.[F.] W. PULASKI, Co. C, 24th SC Infantry, a resident of Colleton District, DOW (no date given), Atlanta, GA, buried in Stonewall Cemetery, Griffin, GA (p. 285).

PVT (not CPT) Thaddeus S. STRAWINSKI, (no unit given), a resident of Richland District, died by accident, 6/15/61, Castle Pinckney, Charleston, SC, buried at 1st (Scots) Presbyterian Church, Charleston, SC, (p. 335).

Hope this helps.