Worldwide Guide to Women in Leadership
Heads of States of the Bailiwick of Guernsey
It includes Alderny and Sark and the minor Islands (Herm, Brechou, Lihou and Jethou) and is an UK Crown Dependencies/Crown fiefdoms The Channel Islands and Isle of Man are not part of the United Kingdom but feudal dependencies of the British crown, lacking sovereignty.

The reigning Queens have the title Duc de Normandie in the Channel Islands

1447-49 Lady Anne de Beauchamp of the Isles
The Lorship inclueded Guernsey, Jersey, Alderney, Brechou, Herm, Jethou and Sark. She was succeeded by Richard Neville, Earl of Warwick (1428-49-71), and lived (circa 1446-49)

1471-87 Lady Anne de Beauchamp of the Isles
She was also Countess of Warwick and Lady of Glamorgan and Wales 1449-50. The Lorship inclueded Guernsey, Jersey, Alderney, Brechou, Herm, Jethou and Sark

1553-58 Queen Mary I Tudor of England

1558-1603 Queen Elizabeth I  Tudor of England

1689-94 Queen Mary II Stuart of England, Scotland of Ireland
Her husband William III of Oranje was king until 1702. She gave birth to at least three still-born children. 

1702-1714 Queen Anne Stuart of United Kingdom
 Queen Anne lived (1665-1714)

1837-1901 Victoria By the Grace of God, of the United Kingdom of Great Britain and Ireland Queen, Defender of the Faith, Empress of India.
She lived (1818-1901)

1952- Elizabeth II By the Grace of God, of the United Kingdom of Great Britain and Northern Ireland and of Her other Realms and Territories Queen, Head of the Commonwealth, Defender of the Faith

Last update 01.01.07