Cognomen Маклейн (Mclain 
, Mclane , Maclane 
) , all over the world, is a common surname. The cognomen Маклейн is habitual in the United States, where it is quite a rare surname, Luxembourg, and New Zealand. Not in comparison with a country's population, it most frequently occurs in the United States, Canada, and the United Kingdom. Much less frequently, Маклейн is the forename as well as the last name.