Blazon Arms: Azure, three Crosses-Crosslet fitchée, issuing from three Crescents Argent.

Crest: A dexter Hand couped above the wrist and erect proper, grasping a Crescent Argent.

He was a Deputy Lieutenant of the North Riding of Yorkshire and President of the Royal Agricultural Society.

His eldest son, the fourth Earl, was also a Deputy Lieutenant of the North Riding of Yorkshire.

[6][7] His son, the sixth Earl, was a major-general in the army and served as a Deputy Speaker of the House of Lords from 1976 to 1989.

Charles Cathcart, younger son of the ninth Lord, was a colonel in the British Army and represented Clackmannanshire in the House of Commons.

Louisa Cathcart, daughter of the ninth Lord, married David Murray, 7th Viscount of Stormont.

The heir apparent is the present holder's son Alan George Cathcart, Lord Greenock (born 1986)