Family name 吉尔格 (Gilg 
, 吉尔格 
) , in all the world, is quite a rare cognomen. The surname 吉尔格 is characteristic of Western Europe, particularly Switzerland, where it is quite a rare surname, Germany, and Austria. Not in comparison with a country's population, it is the most numerous in Western Europe, particularly Germany, France, and Switzerland. Very seldom, 吉尔格 is the forename as well as the last name.