Surname Герни (Gurney 
, Герни) , all around the world, is a common cognomen. The family name Герни is characteristic of Isle of Man, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and Australia. In absolute terms, it most frequently occurs in the United States, the United Kingdom, and Australia. Much less frequently, Герни is the forename as well as the last name.