Looking for Broome IN Mecklinburg NC and Georgia

Hello! My maiden name was Broome...I know little about this side of my family because my grandfather died when my dad was young! This is what I have my grandfathers name was Elbert W. Broome he died in Nov of 1970. His father was William Thomas or Thomas William Broome, and his grandfather may have been John Calvin Broome. My grandfather was from Georgia, USA and that is where he is buried but I think his father was from Mecklinburg, North Carolina or South Carolina, USA! Help Please!