Mary Dawson-Damer British diarist (1798–1848) Parents Anne Horatia Waldegrave Hugh Seymour Children Alice Henrietta Dawson-Damer Lady Cecilia Dawson-Damer Lady Constance Wilhelmina Frances Dawson-Damer Lady Evelyn Dawson-Damer Georgiana Dawson-Damer Lionel Dawson-Damer, 4th Earl of Portarlington Siblings George Seymour Horace Seymour Hugh Seymour Horatia Seymour Frederick Charles William Seymour Partners George Dawson-Damer