Born in Chowan County, North Carolina, Winborne graduated from the University of North Carolina at Chapel Hill, moved to Marion, North Carolina around 1910, and joined the law firm of J. Will Pless.
Winborne was born in Chowan County, North Carolina, received his education at the University of North Carolina at Chapel Hill, moved to Marion, North Carolina by about 1910, and entered into a partnership with the law firm of J. Will Pless.