He was bestowed the Companion of St. Michael and St George (C.M.G.) in 1960, and made a Knight Bachelor (Kt Bachelor) in 1963. He was one of the first to be awarded T&T's highest honour: the Trinity Cross (TC) in 1969. He also holds El Gran Cordon, the highest national award in Venezuela. Although he ceased to use the title Sir after the country became a republic, since retirement from the presidency he has re-adopted his title and has generally been referred to as "former President, Sir Ellis Clarke or Sir Ellis." He was married to Lady Ermyntrude Clarke (1921–2002) for almost 50 years. They had three children: Peter (married to Suzanne Traboulay, a former beauty queen), Margaret-Ann (married to Gordon Fisken, of Edinburgh, Scotland) and Richard (who died as a young child). Sir Ellis also had four grandsons-John Peter, Michael, Alexander and David-and one granddaughter, Katrina. He was the first chairman of the The Anthony N Sabga Caribbean Awards for Excellence and one of six experts worldwide asked to submit reports to Australia's Republic Advisory Committee in 1993, detailing his country's experience in moving from a constitutional monarchy to a republic.