Isabella Howard, Countess of Carlisle (1721–1795)

Isabella Howard, née Byron, Countess of Carlisle, was the daughter of William Byron, 4th Baron Byron, and a great-aunt of George Gordon, Lord Byron. In 1743, she married Henry Howard, 4th Earl of Carlisle, a Whig politician, with whom she had six children. After his death, she remarried in 1759 to Sir William Musgrave, 6th Baronet. She wrote Thoughts in the Form of Maxims Addressed to Young Ladies, on Their First Establishment in the World (1789) and was an engraver who made copies of Rembrandt's etchings.