Mary Louisa Bucknall-Estcourt (died 1924) (1843–1924) Parents Edmund Hilary Bucknall-Estcourt Anne Elizabeth Johnstone Children Hester Charlotte Cayley Cecil Reginald Cayley Lionel Richard Cayley Isabel Mary Cayley Edmund Henry George Cayley Dora Cayley Edith Margaret Cayley Siblings Evelyn Susan Bucknall-Estcourt George Sotheron-Estcourt, 1st Baron Estcourt Partners Reginald Arthur Cayley