Surname מקמילן (Macmillan 
, Mcmillan , Mcmillen ) , in the entire world, is a common last name. The cognomen מקמילן is characteristic of New Zealand, where it is quite a common surname, Jersey, and Guernsey (explore the name in all countries). In absolute terms, it is the most numerous in the United States, the United Kingdom, and Canada. Much less frequently, מקמילן is the forename as well as the last name.