List of monarchs of the British Isles by cause of death

Monarchs of the British Isles are listed here, grouped by the type of death and then ordered by the date of death. The monarchical status of some people is disputed, but they have been included here for completeness.

Natural causes

+Monarchs assumed to have died through natural causes (through disease)NameHouseBornReignDeathNotesKenneth I MacAlpinHouse of Alpin (Scotland)810843–8588 February 858 (aged 47-48)TumourDonald Iunknown858–86213 April 862According to the Chronicle of the Kings of Alba, died "at the palace of Cinnbelathoir", possibly near or at Scone, probably from natural causes.Alfred the GreatWest Saxons (England)c. 849871–89926 October 899 (aged 50–52)Married to Ealhswith in 868. Father of Edward the Elder.Ælfweard9242 August 924 (aged 21–22)Apparently natural causesAthelstanc. 895924–93927 October 939 (aged ~45)Died at Gloucester, apparently natural causesEdwy the Fairc. 941955–9591 October 959 (aged ~19)Presumed to be natural causesConstantine IIHouse of Alpin (Scotland)before 879900–943952 (aged 73-74)EadredWest Saxons (England)c. 923946–95523 November 955 (aged c. 32) Suffered a "digestive malady" in later lifeEdgar the Peaceablec. 943959–9758 July 975 (aged 31/32)Ethelred II the Unreadyc. 968978–10131014–101623 April 1016 (aged ~50)Sweyn ForkbeardDanish Kings (England)17 April 9631013–10143 February 1014 (aged 50)Cnut the GreatDanish Kings (England)c. 9951016–103512 November 1035 (aged ~45)Harold I Harefootc. 10151035–104017 March 1040Harthacnut10181040–10428 June 1042 (aged 23-24) Apparently died from a stroke brought on by heavy drinkingSt Edward the ConfessorWest Saxon Restoration (England)c. 10041042–10664 January 1066 (aged 60-63) In the last months of his life he suffered several strokes and was too frail in late 1065 to consecrate Westminster, which he built.EdgarHouse of Dunkeld (Scotland)10741097–11078 January 1107Duncan, p. 60Alexander Ic. 10781107–112423 April 1124 (aged 45)Edgar the Atheling West Saxon Restoration (England)c. 10511066c. 1126Proclaimed by surviving English nobles, clerics and magnates, but never crowned, as the Normans approached after Hastings.Henry IThe Normans (England)c. September 10681100–1135 (aged ~67)Died of food poisoning from eating "a surfeit of lampreys" David IHouse of Dunkeld (Scotland)10841124–115324 May 1153 (aged 68-69)Died of illness.Stephen of BloisHouse of Blois (England)c. 10961135–115425 October 1154 (aged ~58)Stomach diseaseMalcolm IVHouse of Dunkeld (Scotland)23 April/24 May 11411153–11659 December 1165 (aged 24)His premature death may have been hastened by osteitis deformans.Duncan, pp. 74–75.Matilda (Empress Maud)Angevins or Plantagenets (England)February 1102114110 September 1167 (aged 65)Henry II5 March 11331154–11896 July 1189 (aged 56)He collapsed into shock and fever and eventually died.William IHouse of Dunkeld (Scotland)c. 11431165–12144 December 1214 (aged 71-72)Natural causesJohn "Lackland"Monarchs of England and Ireland (England)24 December 11661199–121619 October 1216 (aged 49)Retreating from the French invasion, John crossed the marshy area known as The Wash in East Anglia and eventually died from dysentery.Alexander IIHouse of Dunkeld (Scotland)24 August 11981214–12496 July 1249 (aged 50)Died after suffering a fever on the Isle of Kerrera in the Inner Hebrides.Henry IIIMonarchs of England and Ireland (England)1 October 12071216–127216 November 1272 (aged 65)Died of illness.MargaretHouse of Sverre Dunkeld (Scotland)9 April 12831286–129026 September 1290 (aged 7) Food poisoning and sea sickness. Edward I "Longshanks"House of Plantagenet (England)17 June 12391272–13077 July 1307 (aged 68)Dysentery (confirmed); cancer (possible)John BalliolHouse of Balliol (Scotland)c. 12491292–1296c. November 1314 (aged ~65)Natural causesRobert I the BruceHouse of Bruce (Scotland)11 July 12741306–13297 June 1329 (aged 54)Suffered for some years from what some contemporary accounts describe as an "unclean ailment"; the traditional story is that he died of leprosy, but this is disputed. Other suggestions include syphilis, psoriasis, and a series of strokes.Edward BalliolHouse of Balliol (Scotland)c. 12831332–1336c. 1364 (aged ~81)Natural causesDavid IIHouse of Bruce (Scotland)5 March 13241329–137122 February 1371 (aged 46)Natural causesEdward IIIMonarchs of England and Ireland (England)13 November 13121327–137721 June 1377 (aged 64)Died of a strokeRobert IIHouse of Stuart (Scotland)2 March 13161371–139019 April 1390 (aged 74)Died of old age.Robert IIIc. 13401390–14064 April 1406 (aged 68-69)Death said to have been caused by the shock of hearing that his son James (later King James I of Scotland) had been captured by the English.Henry IVHouse of Lancaster (England)c. April 13671399–141320 March 1413 (aged 45)Several years of ill health: some type of visible skin ailment. Leprosy is also rumoured to have been possible.Henry V16 September 13861413–142231 August 1422 (aged 35)Natural causes, probably dysenteryEdward IVHouse of York (England)28 April 14421461–14701471–14839 April 1483 (aged 40)Unclear, possibly apoplexy brought on by excess.Henry VIIHouse of Tudor (England)28 January 14571485–150921 April 1509 (aged 52)TuberculosisJames VHouse of Stuart (Scotland)10 April 15121513–154214 December 1542 (aged 30)Died of ill health shortly after the Battle of Solway MossHenry VIIIHouse of Tudor (England)28 June 14911509–154728 January 1547 (aged 55)Suffered from gout and obesity. Obesity dates from a jousting accident in 1536 in which he suffered a leg wound. This prevented him from exercising and gradually became ulcerated. Also possibly suffered from syphilis and/or diabetesEdward VI12 October 15371547–15536 July 1553 (aged 15)Tuberculosis, arsenic poisoning, or congenital syphilis?Mary I18 February 15161553–155817 November 1558 (aged 42)Possibly ovarian cancerPhilipHouse of Habsburg (England)21 May 1527 1554–155813 September 1598 (aged 71)CancerElizabeth IHouse of Tudor (England)7 September 15331558–160324 March 1603 (aged 69)Suffered from frailty and insomniaJames VI and IHouse of Stuart19 June 15661567–1625 (Scotland)1603-1625 (England)27 March 1625 (aged 58)Suffered from senility and died of 'tertian ague', probably brought on by kidney failure and a strokeOliver Cromwell(Interregnum)25 April 15991653-16583 September 1658 (aged 59)Struck by a sudden bout of malarial fever, followed directly by an attack of urinary/kidney symptoms.Charles IIHouse of Stuart29 May 16301660–1685 England1649–1651 and 1660–1685 Scotland(1649–1685 de jure)6 February 1685 (aged 54)Died suddenly of uremiaJames II and VII14 October 16331685–168816 September 1701 (aged 67)StrokeMary II30 April 16621689–169428 December 1694 (aged 32)Died of smallpox at Kensington PalaceRichard Cromwell(Interregnum)4 October 16261658-165912 July 1712 (aged 85)The longest-lived British head of state until Elizabeth II.AnneHouse of Stuart6 February 16651702–17141 August 1714 (aged 49)Died of suppressed gout, ending in erysipelas, an abscess and fever. Her 17 ill-fated pregnancies perhaps ravaged her body.George IHouse of Hanover28 May 16601714–172711 June 1727 (aged 67)StrokeGeorge II30 October 16831727–176025 October 1760 (aged 76)Aortic dissection while on the toiletGeorge III4 June 17381760–182029 January 1820 (aged 81)Porphyria (disputed), a genetic disorder. Suffered bouts of mental illness from 1788 onwards.George IV12 August 17621820–183026 June 1830 (aged 67)Upper gastrointestinal bleeding caused by the rupture of gastric varices. Developed cataracts, alcoholism, opioid dependence, obesity, gout, oedema, arteriosclerosis and possibly porphyria and cancer.William IV21 August 17651830–183720 June 1837 (aged 71)Congestive heart failure and bronchopneumonia.Victoria24 May 18191837–190122 January 1901 (aged 81)Age and heart failureEdward VIIHouse of Saxe-Coburg-Gotha9 November 18411901–19106 May 1910 (aged 68)Bed-ridden by bronchitis; died of a myocardial infarctionGeorge VIHouse of Windsor14 December 18951936–19526 February 1952 (aged 56)Had lung cancer and arteriosclerosis due to heavy cigarette smoking; died in his sleep of a coronary thrombosisEdward VIII23 June 1894193628 May 1972 (aged 77)Throat cancerElizabeth II21 April 19261952–20228 September 2022 (aged 96)Old age though some reports suggest multiple myeloma; died in Balmoral Castle, Scotland

Killed

In battle

+Monarchs who died in battle, either as the antagonist or otherwiseNameHouseBornReignDeathNotesConstantine IHouse of Alpin (Scotland)unknown862–877877Killed fighting the Viking armyEdward the ElderWest Saxons (England)c. 874–877899–92417 July 924Died leading an army against a Cambro-Mercian rebellion at Farndon-Upon-DeeMalcolm IHouse of Alpin (Scotland)before 900943–954954The Annals of Ulster merely note that he was killed in 954. Other sources place his death in Kincardineshire or at Blervie Castle.Anderson, Alan Orr, Early Sources of Scottish History A.D 500–1286, volume 1. Reprinted with corrections. Paul Watkins, Stamford, 1990. Pages 252–4. Donald IIHouse of Alpin (Scotland)889–900According to the Chronicle of the Kings of Alba, killed in battle against Vikings at Dunnottar.Indulf954–962962Killed fighting Vikings near CullenConstantine IIIbefore 971995–997997Killed in battle against other Scots near the River Almond (either in Perthshire or in Lothian).Kenneth IIIbefore 967997–10051005 (aged 38-39)Killed in battle at Strathearn by Malcolm IIMalcolm IIc. 980Malcolm's birth date is not known, but must have been around 980 if the Flateyjarbók is right in dating the marriage of his daughter and Sigurd Hlodvisson (Sigurd the Stout) to the lifetime of Olaf Tryggvason.1005-103425 November 1034 (aged ~54)Killed fighting "fratricides"Skene, Chronicles, p. 100.Duncan IHouse of Dunkeld (Scotland)unknown1034–104015 August 1040 (aged ~38)Killed by his own men led by Macbeth at Pitgaveny near ElginMacbethHouse of Moray (Scotland)c. 10051040–105715 August 1057 (~52)Defeated and mortally wounded by Máel Coluim mac Donnchada at the Battle of Lumphanan, dying at Scone.Harold II Godwinson West Saxon Restoration (England)c. 1022106614 October 1066 (aged ~44)Killed at the Battle of HastingsWilliam I, the ConquerorThe Normans (England)c. 10281066–10879 September 1087 (aged ~59)Died at the Convent of St Gervais, near Rouen, France, from abdominal injuries received from his saddle pommel when he fell off a horse at the Siege of Mantes.Malcolm IIIHouse of Dunkeld (Scotland)c. 10311058–109313 November 1093 (aged ~62)Ambushed by Robert de Mowbray, Earl of Northumbria, near AlnwickRichard I, the LionheartAngevins or Plantagenets (England)8 September 11571189–11996 April 1199 (aged 41)Died during a siege of the castle of Châlus-Charbrol in Limousin, France, facing a rebellion by the Viscount of Limoges and his half-brother, the Count of Angoulême.James IIHouse of Stuart (Scotland)16 October 14301437–14603 August 1460 (aged 29)An early-adopter of artillery, James was killed when a cannon exploded while attacking one of the last Scottish castles still held by the English after the Wars of Independence.Richard IIIHouse of York (England)2 October 14521483–148522 August 1485 (aged 32)Killed at the Battle of Bosworth Field. Last English king to be killed in battle.James IIIHouse of Stuart (Scotland)10 July 1451/May 14521460–148811 June 1488 (aged 36)Killed at the Battle of Sauchieburn while fighting an army raised by disaffected nobles, former councillors, and his son, the future James IV of Scotland.James IVHouse of Stuart (Scotland)17 March 14731488–15139 September 1513 (aged 40)Killed at the Battle of Flodden while attacking the English

Murdered, assassinated, executed or euthanised