Ida Beatrice McMahon (died 1951) (d. 1951) Parents Julia Coster William McMahon Children Eileen Ida Julia Spens Dorothy Spens Siblings Lionel Westropp McMahon Emily Anne McMahon Sir Kellerman Eyre McMahon, 6th Bt. Helena Constance McMahon Maude Geraldine McMahon Ethel Selina Julia McMahon Vivian Massey McMahon Hamilton Hamilton McMahon Bernard William Lynedoch McMahon Arthur Beresford McMahon Partners James Spens