Family name بليث (Blyth 
, بليث 
, Plith 
) , worldwide, is quite a common last name. The cognomen بليث is habitual in British Virgin Islands, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and Australia. In absolute terms, it is commonest in the United Kingdom, Australia, and the United States. Much less frequently, بليث is the forename as well as the last name.