Cognomen Гильди (Gildi 
, Гильди 
) , all over the world, is a rare family name. The cognomen Гильди is habitual in Estonia, where it is a rare surname, Italy, where it is a very rare surname, and Finland. Measured by absolute frequency, this name is the most popular in Italy, Argentina, and Germany. Much less frequently, Гильди is the forename as well as the last name.