Cognomen 寇根 (Colgan 
, 寇根 
, Corgan 
) , around the world, is quite a common family name. The last name 寇根 is habitual in Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. In absolute terms, the name is most common in the United States, Ireland, and the United Kingdom. Much less frequently, 寇根 is the forename as well as the last name.