Cognomen バーチ (Mercury 
, Birch 
, Burch ) , globally, is a common last name. The surname バーチ is characteristic of Northern Europe, particularly Guernsey, where it is quite a common surname, Denmark, and the United Kingdom (explore the name in all countries). In absolute terms, it is the most numerous in the United States, the United Kingdom, and Australia. Much less frequently, バーチ is the forename as well as the last name.