Last name Silko (Silk 
, Silko 
, Силко 
) , in all the world, is quite a common cognomen. The family name Silko is habitual in Marshall Islands, where it is a common surname, Guernsey, where it is quite a common surname, and Estonia, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia. Much less frequently, Silko is the forename as well as the last name.