He is the patriarch of the famous wrestling McMahon family, and the co-founder of Capital Wrestling Corporation.
He started his career as a boxing promoter with his brother, Edward.
His original promotion, Capital Wrestling Corporation was the beginning of what is now the world-famous WWE.
He married Rose Davis, and had three children with her, including WWWF co-promoter
His grandson, Vince McMahon, is the modern day face of the WWE.