I believe Sam Ard's parents were Hector and Mary (unknown) Ard.Below is the obituary for Hector...
HECTOR ARD DIES
Passes Away in New Brookland
Hector Ard, 79, died at the residence of his daughter , Mrs. Levinia Logan, 325 Meeting street, New Brookland, at 7:45 last night.He had been in declining health for the past two years. Mr. Ard had only been a resident of New Brookland for two years, but he had made many friends their and they will be saddened by his death. Surviving him are two daughters, Mrs. LeviniaLogan of New Brookland and Mrs. Mamie Markham of Durham, N. C., three sons, Samuel Ard, Rodas Ard, and Bratton Ard all of Sumter. Funeral Arrangements will be annouced later.
Source:The State, Columbia, SC, Obituary for Hector Ard,(Sunday Morning, December 9, 1928, Pg 6).