Cognomen Миллиган (Milligan 
, Миллиган 
) , in the entire world, is a common last name. The family name Миллиган is habitual in Northern Europe, particularly Isle of Man, where it is quite a common surname, Guernsey, and the United Kingdom, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Canada.