| Commonly known as... | Prime Minister | % Correct |
|---|---|---|
| Boris Johnson | Alexander II (Boris) | 98%
|
| Tony Blair | Anthony (Tony) | 96%
|
| David Lloyd George | David I | 96%
|
| David Cameron | David II | 96%
|
| Harold Wilson | James II (Harold) | 96%
|
| Gordon Brown | James III (Gordon) | 96%
|
| Ramsay MacDonald | James I (Ramsay) | 94%
|
| Earl of Bute | John I | 92%
|
| Lord John Russell | John II | 92%
|
| John Major | John III | 92%
|
| James Callaghan | Leonard (James) | 92%
|
| Duke of Devonshire | William I | 90%
|
| William Pitt the Elder | William II | 90%
|
| Earl of Shelburne | William III | 90%
|
| Duke of Portland | William IV | 90%
|
| William Pitt the Younger | William V | 90%
|
| Baron Grenville | William VI | 90%
|
| Viscount Melbourne | William VII | 90%
|
| William Gladstone | William VIII | 90%
|
| Liz Truss | Mary (Liz) | 88%
|
| Winston Churchill | Winston | 88%
|
| Neville Chamberlain | Arthur III (Neville) | 83%
|
| Earl of Derby | Edward I | 83%
|
| Edward Heath | Edward II | 83%
|
| Anthony Eden | Robert V (Anthony) | 83%
|
| Margaret Thatcher | Margaret | 81%
|
| Rishi Sunak | Rishi | 81%
|
| Alec Douglas-Home | Alexander I (Alec) | 79%
|
| George Grenville | George I | 79%
|
| George Canning | George II | 79%
|
| Earl of Aberdeen | George III | 79%
|
| Sir Robert Walpole | Robert I | 79%
|
| Earl of Liverpool | Robert II | 79%
|
| Robert Peel | Robert III | 79%
|
| Marquess of Salisbury | Robert IV | 79%
|
| Theresa May | Theresa | 79%
|
| Henry Pelham | Henry I | 77%
|
| Henry Addington | Henry II | 77%
|
| Viscount Palmerston | Henry III | 77%
|
| Henry Campbell-Bannerman | Henry IV | 77%
|
| Harold Macmillan | Maurice (Harold) | 77%
|
| Benjamin Disraeli | Benjamin | 75%
|
| Clement Attlee | Clement | 71%
|
| Duke of Wellington | Arthur I | 63%
|
| Arthur Balfour | Arthur II | 63%
|
| H.H. Asquith | Herbert | 60%
|
| Stanley Baldwin | Stanley | 60%
|
| Marquess of Rockingham | Charles I | 56%
|
| Earl Grey | Charles II | 56%
|
| Bonar Law | Andrew (Bonar) | 52%
|
| Duke of Newcastle | Thomas | 50%
|
| Earl of Wilmington | Spencer I | 48%
|
| Spencer Perceval | Spencer II | 48%
|
| Lord Frederick North | Frederick I | 38%
|
| Viscount Goderich | Frederick II | 38%
|
| Earl of Rosebery | Archibald | 35%
|
| Duke of Grafton | Augustus | 23%
|