Online trees attribute her parents as:
Maj. John Spearman Floyd and Mary Susannah Coleman,
3264,
3265 John Spearman Floyd and Mary Josephine Peterson,
3266,
3267 or J. S. Floyd and Josephine Stewart.
3268  The claim that her mother was Mary Susannah Coleman must be wrong because Mary Susannah Coleman died on 8 Nov 1873, three years before Mary Sue Floyd was born.
Following is likely census record:
1880 Census of Floyds, Newberry Co SC
Name                	AgeJohn S. Floyd     	40  b SC
Mary J. Floyd     	34  b SC
M. Annie Floyd	17
T. Augustus Floyd	14
Ada C. Floyd      	12
John S. Floyd     	  8
M. Susana Floyd	  3Warren S. Floyd	  2
Mrs. Mary F. Moorehead3269 EASLEY, Feb. 1. Mrs. Mary Sue Floyd Moorehead, 70, died early this morning. She was the wife of W. L. Moorehead. 
Besides her husband, the following survive: four sons, John, Paul, Marion and W. L. Moorehead, Jr. and a daughter, Mrs. Victoria Hiott. 
Funeral services will be Monday afternoon at 3:30 o'clock at the First Baptist church of Easley. 
The body is at Reeves funeral home but will be carried to the home of her daughter, Mrs. Victoria Hiott, In Easley Sunday afternoon at 5 o'clock.