Countess of Strathmore is a title given to the wife of the Earl of Strathmore. Women who have held this title include: Elizabeth Lyon, Countess of Strathmore (1663 to 1723) Susan Lyon, Countess of Strathmore and Kinghorne (c.1709-1754) Mary Bowes, Countess of Strathmore and Kinghorne (1749-1800) Frances Bowes-Lyon, Countess of Strathmore and Kinghorne (1832-1922) Cecilia Bowes-Lyon, Countess of Strathmore and Kinghorne (1862-1938)