Courtenay, William, 2nd Viscount Courtenay (1742 -1788)
William Courtenay, 2nd Viscount Courtenay of Powdersham Castle, in Devon, was the only son of William, 1st Viscount Courtenay, and Frances Finch, daughter of Heneage, 2nd Earl of Aylesford. He was educated at Magdalen College, Oxford, where he matriculated 21 March 1761. He married, 7 May 1762, Frances, daughter of Thomas Clack, of Wallingford in Berkshire, and inherited the title 16 May 1762, just ten days after it had been conferred on his father. His son, also William, claimed the Earldom of Devon and was confirmed in that title by the House of Lords in 1831.Either he had this stamp cut or used it until he became Earl of Devon, he died unmarried in 1835, when the Viscouncy became extinct and the Earldom passed to his cousin, William, 10th Earl of Devon.