P E May or Brian May abt 1830 Va or NC

I am looking to find the father of William Monroe May b 3 Dec 1853 in Madison,Morgan,Ga d 22 Oct,1929,Greenville, SC. E Granville May b 13 Nov 1850 in Asheville,Buncombe,NC d 15 Augin , S 1940 in Clinton,Laurens SC, and Thomas May.Williams wife was Nancy Ellen Barnett. E Granville spouse was Laura Jane Fir.I have no info on Thomas except he was still alive in Elberton Ga in 1929.Williams death certificate states his father was P.E. May born in Va, and that his mother was Mary Bomar born in Va. E Granville death certificate state his father was Brian May born in NC, and mother unknown.Please any help at all would be greatly appreciated!