Countess of Mornington

Countess of Mornington is a title given to the wife of the Earl of Mornington. Women who have held the title include:


 * Katherine Wellesley-Pole, Countess of Mornington (c.1760-1851)
 * Hyacinthe-Gabrielle Roland (1766-1816)
 * Elizabeth Wellesley, Duchess of Wellington (1820-1904)
 * Diana Wellesley, Duchess of Wellington (1922-2010)
 * Jemma Wellesley, Marchioness of Douro (born 1974)