Surname Тэтчер (Thatcher 
, Тэтчер 
) , all over the world, is a common family name. The cognomen Тэтчер is habitual in Northern Europe, particularly Guernsey, where it is quite a common surname, Jersey, and Isle of Man. In absolute terms, it most frequently occurs in the United States, the United Kingdom, and Australia. Much less frequently, Тэтчер is the forename as well as the last name.