Cognomen レイサン (Lathan 
, レイサン) , all around the world, is quite a rare family name. The cognomen レイサン is characteristic of Jamaica, where it is quite a rare surname, the United States, where it is a rare surname, and Qatar. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Germany. Much less frequently, レイサン is the forename as well as the last name.