Surname 加根 (加根 
, Jiagen 
, Gargan 
) , across the world, is quite a rare cognomen. The surname 加根 is habitual in Ireland, where it is quite a common surname, the United Kingdom, where it is a rare surname, and Australia. In absolute terms, this name is the most popular in China, the United States, and Ireland. Likewise, 加根 is the forename as well as the last name.