William McMahon (1825-1916) (1825–1916) Parents Emily Anne Westropp Thomas McMahon Children Vivian Massey McMahon Bernard William Lynedoch McMahon Ida Beatrice McMahon Maude Geraldine McMahon Emily Anne McMahon Sir Kellerman Eyre McMahon, 6th Bt. Hamilton Hamilton McMahon Helena Constance McMahon Ethel Selina Julia McMahon Arthur Beresford McMahon Lionel Westropp McMahon Siblings Emily McMahon Georgiana Mary McMahon Thomas Westropp McMahon Frederica McMahon Jane McMahon Frederick Hislop McMahon Adolphus McMahon Charlotte McMahon Partners Julia Coster