A public memorial service, attended by the Queen and thousands of mourners, was held on 10 February 1987 in Westminster Abbey.Memorial service for Harold Macmillan, First Earl of Stockton, O.M., P.C.: Tuesday 10 February 1987 12, noon (London: Westminster Abbey, 1987). Macmillan's estate was assessed for probate on 1 June 1987, with a value of £51,114 (equivalent to £ in ).
