Created in 1703 (Barbados), MOUNT GAY BARBADOS RUM Est. 1703 BLACK BARREL own 139 sister brands and 3027 competing brands. MOUNT GAY BARBADOS RUM Est. 1703 BLACK BARREL's notoriety arose from exemplary management which optimizes product quality and client satisfaction, which in turn generate financial performance, and therefore, stock performance. Being a Popular brand online is assessed based on the evolution of worldwide Web searches over the last five years.