Family name קוקרן (Cochran 
, Cochrane , קוקרן 
) , all around the world, is a common cognomen. The family name קוקרן is characteristic of Antigua and Barbuda, where it is quite a common surname, Guernsey, and the United States (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Canada.