| Pre 6th C |
Within Roman province of Constantia |
| 6th C. |
Breton Landlords under the Frankish Kings |
| 933-940+ |
Passes to the Duke of Normandy and held by various Norman Seigneurs, Anschetel, Ranalf I, II & III and Mont St. Michel. |
| 1204 |
Crown of England. King John |
| 1445-1737 |
Henry Duke of Warwick granted Lordship. From then on Herm became a sporting reserve for Governors of Guernsey to 1737. |
| 1670 |
Adv. P. Gosselin, introduced sheep |
| 1717-1737 |
C. Nowall of London |
| 1737-1815 |
In turn, Peter Carey I & II, Caroline Carey, Peter & Thomas de jersey, John de Jersey and Pierre Mauger |
| 1815-1826 |
The Hon. Col J Lindsay |
| 1830-1867 |
In turn, Jonathan Duncan, Ebenezer Fernie, Job Henry, Stephen Touzeau, Thomas Bartlett and Thomas Hyde |
| 1867-1877 |
Col M J Fielden |
| 1877-1881 |
In turn, James Considine, Arthur Maxwell. |
| 1881 |
Trappist Monks (occupation not legally confirmed) |
| 1882-1884 |
Chartreuse Monks |
| 1884-1889 |
James Linklater or Leith. Projected fish factory |
| 1889-1917 |
Gebherd Lebrecht, 3rd Prince Blucher von Wahlstatt |
| 1917-1920 |
Wheadon & co. - Farming |
| 1920-1923 |
Sir Compton Mackenzie |
| 1923-1939 |
Sir Percival Perry, later Lord Perry |
| 1940-1945 |
German Occupation |
| 1946-1949 |
A G Jefferies |
| 1949 - 2008 |
Peter and Jenny Wood, & Adrian and Pennie (nee Wood) Heyworth |
| 2008 - |
John & Julia Singer, Island Managers for the Starboard Settlement |