Cognomen ג'ייסון (Jason 
, Jayson , Jaipil 
) , in the entire world, is a common family name. The surname ג'ייסון is characteristic of Namibia, where it is quite a common surname, Marshall Islands, and British Virgin Islands (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Indonesia, the United States, and Philippines. Predominantly, ג'ייסון is the forename as well as the last name.